JEE Main 8 April 2023 : Shift 2

Solution

Q.1 Correct

. is purely imaginary }. Then the sum of the elements in A is.

. is purely imaginary }. Then the sum of the elements in A is.

Let P be the plane passing through the line ‌

and the point (2,4,−3). If the image of the point (−1,3,4) in the plane P is (α,β,γ) then α+β+γ is equal to

[8-Apr-2023 shift 2]

Let P be the plane passing through the line ‌

and the point (2,4,−3). If the image of the point (−1,3,4) in the plane P is (α,β,γ) then α+β+γ is equal to

1	5
λ	10

],A−1=αA+βI and α+β=−2, then 4α2+β2+λ2 is equal to :

[8-Apr-2023 shift 2]

If A=[

1	5
λ	10

],A−1=αA+βI and α+β=−2, then 4α2+β2+λ2 is equal to :

The area of the quadrilateral ABCD with vertices A(2,1,1),B(1,2,5),C(−2,−3,5) and D(1,−6,−7) is equal to

[8-Apr-2023 shift 2]

The area of the quadrilateral ABCD with vertices A(2,1,1),B(1,2,5),C(−2,−3,5) and D(1,−6,−7) is equal to

25190−19190−8190+2190 is divisible by

[8-Apr-2023 shift 2]

25190−19190−8190+2190 is divisible by

Let O be the origin and OP and OQ be the tangents to the circle x2+y2−6x+4y+8=0 at the points P and Q on it. If the circumcircle of the triangle OPQ passes through the point (α,‌

), then a value of α is.

[8-Apr-2023 shift 2]

Let O be the origin and OP and OQ be the tangents to the circle x2+y2−6x+4y+8=0 at the points P and Q on it. If the circumcircle of the triangle OPQ passes through the point (α,‌

), then a value of α is.

Let an be the n‌th ‌ term of the series 5+8+14+23+35+50+.... and Sn=

∑

k=1

aK. Then S30−a40 is equal to

[8-Apr-2023 shift 2]

Let an be the n‌th ‌ term of the series 5+8+14+23+35+50+.... and Sn=

∑

k=1

aK. Then S30−a40 is equal to

If α>β>0 are the roots of the equation ax2+bx+1=0, and

), then k is equal to

[8-Apr-2023 shift 2]

If α>β>0 are the roots of the equation ax2+bx+1=0, and

), then k is equal to

If the number of words, with or without meaning, which can be made using all the letters of the word MATHEMATICS in which C and S do not come together, is (6!)k, is equal to

[8-Apr-2023 shift 2]

If the number of words, with or without meaning, which can be made using all the letters of the word MATHEMATICS in which C and S do not come together, is (6!)k, is equal to

Let S be the set of all values of θ∈[−π,π] for which the system of linear equations
‌x+y+√3z=0
‌−x+(tan‌θ)y+√7z=0
‌x+y+(tan‌θ)z=0
has non-trivial solution. Then ‌

Let S be the set of all values of θ∈[−π,π] for which the system of linear equations
‌x+y+√3z=0
‌−x+(tan‌θ)y+√7z=0
‌x+y+(tan‌θ)z=0
has non-trivial solution. Then ‌

For a,b∈Z and |a−b|≤10, let the angle between the plane P:ax+y−z=b and the line 1:x−1=a−y=z +1 be cos−1(‌

). If the distance of the point (6,−6,4) from the plane P is 3√6, then a4+b2 is equal to

[8-Apr-2023 shift 2]

For a,b∈Z and |a−b|≤10, let the angle between the plane P:ax+y−z=b and the line 1:x−1=a−y=z +1 be cos−1(‌

). If the distance of the point (6,−6,4) from the plane P is 3√6, then a4+b2 is equal to

be coplanar. If the vectors

are also coplanar, then 6(a+b+c) is equal to

be coplanar. If the vectors

are also coplanar, then 6(a+b+c) is equal to

The absolute difference of the coefficients of x10 and x7 in the expansion of (2x2+‌

)11 is equal to

[8-Apr-2023 shift 2]

The absolute difference of the coefficients of x10 and x7 in the expansion of (2x2+‌

Let A={1,2,3,4,5,6,7}. Then the relation R={(x,y)∈A×A:x+y=7} is

[8-Apr-2023 shift 2]

Let A={1,2,3,4,5,6,7}. Then the relation R={(x,y)∈A×A:x+y=7} is

If the probability that the random variable X takes values x is given by P(X=x)=k(x+1)3−x,x=0,1,2,3,..., where k is a constant, then P(X≥2) is equal to

[8-Apr-2023 shift 2]

If the probability that the random variable X takes values x is given by P(X=x)=k(x+1)3−x,x=0,1,2,3,..., where k is a constant, then P(X≥2) is equal to

)x)log2x‌dx is equal to

[8-Apr-2023 shift 2]

The integral ∫((‌

)x+(‌

)x)log2x‌dx is equal to

The value of 36(4cos29∘−1)(4cos227∘−1)(4cos281∘−1)(4cos2243∘−1) is

[8-Apr-2023 shift 2]

The value of 36(4cos29∘−1)(4cos227∘−1)(4cos281∘−1)(4cos2243∘−1) is

Let A(0,1),B(1,1) and C(1,0) be the mid-points of the sides of a triangle with incentre at the point D. If the focus of the parabola y2=4‌ax passing through D is (α+β√3,0), where α and β are rational numbers, then ‌

The negation of (p∧(∼q))∨(∼p) is equivalent to

[8-Apr-2023 shift 2]

The negation of (p∧(∼q))∨(∼p) is equivalent to

Let the mean and variance of 12 observations be ‌

and 4 respectively. Later on, it was observed that two observations were considered as 9 and 10 instead of 7 and 14 respectively. If the correct variance is ‌

, where m and n are coprime, then m+n is equal to

[8-Apr-2023 shift 2]

Let the mean and variance of 12 observations be ‌

and 4 respectively. Later on, it was observed that two observations were considered as 9 and 10 instead of 7 and 14 respectively. If the correct variance is ‌

, where m and n are coprime, then m+n is equal to

Let R={a,b,c,d,e} and S={1,2,3,4}. Total number of onto functions f:R→S such that f(a)≠1, is equal to _______.

[8-Apr-2023 shift 2]

Let R={a,b,c,d,e} and S={1,2,3,4}. Total number of onto functions f:R→S such that f(a)≠1, is equal to _______.

Let m and n be the numbers of real roots of the quadratic equations x2−12x+[x]+31=0 and x2−5|x+2|−4 =0 respectively, where [x] denotes the greatest integer leq‌x. Then m2+mn+n2 is equal to

[8-Apr-2023 shift 2]

Let m and n be the numbers of real roots of the quadratic equations x2−12x+[x]+31=0 and x2−5|x+2|−4 =0 respectively, where [x] denotes the greatest integer leq‌x. Then m2+mn+n2 is equal to

Let P1 be the plane 3x−y−7z=11 and P2 be the plane passing through the points (2,−1,0),(2,0,−1), and (5,1, 1). If the foot of the perpendicular drawn from the point (7,4,−1) on the line of intersection of the planes P1 and P2 is (α,β,γ), then α+β+γ is equal to _______.

If domain of the function loge(‌

) is (α,β)∪(γ,δ], then, 18(α2+β2+γ2+δ2) is equal to

[8-Apr-2023 shift 2]

If domain of the function loge(‌

) is (α,β)∪(γ,δ], then, 18(α2+β2+γ2+δ2) is equal to

Let the area enclosed by the lines x+y=2,y=0x=0 and the curve f(x)=min{x2+‌

,1+[x]} where [x] denotes the greatest integer ≤x, be A. Then the value of 12A is _______.

[8-Apr-2023 shift 2]

Let the area enclosed by the lines x+y=2,y=0x=0 and the curve f(x)=min{x2+‌

,1+[x]} where [x] denotes the greatest integer ≤x, be A. Then the value of 12A is _______.

Let 0<z<y<x be three real numbers such that ‌

,‌

are in an arithmetic progression and x,√2y,z are in a geometric progression. If xy+yz+zx=‌

√2

xyz, then 3(x+y+z)2 is equal to _______.

[8-Apr-2023 shift 2]

Let 0<z<y<x be three real numbers such that ‌

,‌

are in an arithmetic progression and x,√2y,z are in a geometric progression. If xy+yz+zx=‌

√2

xyz, then 3(x+y+z)2 is equal to _______.

Let the solution curve x=x(y),0<y<‌

, of the differential equation (loge(cos‌y))2‌cos‌y‌dx−(1+3xloge. (cos y))‌s‌i‌n‌ydy=0 satisfy x(‌

, where m and n are co-prime, then mn is equal to

[8-Apr-2023 shift 2]

Let the solution curve x=x(y),0<y<‌

, of the differential equation (loge(cos‌y))2‌cos‌y‌dx−(1+3xloge. (cos y))‌s‌i‌n‌ydy=0 satisfy x(‌

, where m and n are co-prime, then mn is equal to

Let [t] denote the greatest integer function. If

2.4

∫

[x2]‌dx=α+β√2+γ√3+δ√5, then α+β+γ+δ is equal to _______.

[8-Apr-2023 shift 2]

Let [t] denote the greatest integer function. If

2.4

∫

[x2]‌dx=α+β√2+γ√3+δ√5, then α+β+γ+δ is equal to _______.

The ordinates of the points P and Q on the parabola with focus (3.0) and directrix x=−3 are in the ratio 3:1:. If R(α,β) is the point of intersection of the tangents to the parabola at P and Q, then ‌

β2

is equal to ________.

[8-Apr-2023 shift 2]

β2

is equal to ________.

Let k and m be positive real numbers such that the function f(x)={

3x2+k√x+1	0<x<1
mx2+k2	‌‌x≥1

} is differentiable for all x>0. Then ‌

8f′(8)

f′(‌

)

is equal to ________.

[8-Apr-2023 shift 2]

Let k and m be positive real numbers such that the function f(x)={

3x2+k√x+1	0<x<1
mx2+k2	‌‌x≥1

} is differentiable for all x>0. Then ‌

8f′(8)

f′(‌

)

is equal to ________.

A hydraulic automobile lift is designed to lift vehicles of mass 5000‌kg. The area of cross section of the cylinder carrying the load is 250cm2. The maximum pressure the smaller piston would have to bear is [Assume g=10m∕ s2 ] :

The orbital angular momentum of a satellite is L, when it is revolving in a circular orbit at height h from earth surface. If the distance of satellite from the earth center is increased by eight times to its initial value, then the new angular momentum will be-

The waves emitted when a metal target is bombarded withhigh energy eléctrons are

[8-Apr-2023 shift 2]

The waves emitted when a metal target is bombarded withhigh energy eléctrons are

Match List I with List II

Choose the correct answer from the options given below:

[8-Apr-2023 shift 2]

Match List I with List II

Choose the correct answer from the options given below:

Give below are two statements
Statement I : Area under velocity- time graph gives the distance travelled by the body in a given time.
Statement II : Area under acceleration- time graph is equal to the change in velocity- in the given time.
In the light of given statement, choose the correct answer from the options given below.

The power radiated from a linear antenna of length l is proportional to (Given, λ= Wavelength of wave):

[8-Apr-2023 shift 2]

The power radiated from a linear antenna of length l is proportional to (Given, λ= Wavelength of wave):

Electric potential at a point ' P ' due to a point charge of 5×10−9C is 50V. The distance of ' P ' from the point charge is:
(Assume, ‌

4πε0

=9×10+9Nm2C−2 )

[8-Apr-2023 shift 2]

Electric potential at a point ' P ' due to a point charge of 5×10−9C is 50V. The distance of ' P ' from the point charge is:
(Assume, ‌

The acceleration due to gravity at height h above the earth if h<<R (Radius of earth) is given by

[8-Apr-2023 shift 2]

The acceleration due to gravity at height h above the earth if h<<R (Radius of earth) is given by

An emf of 0.08V is induced in a metal rod of length 10‌cm held normal to a uniform magnetic field of 0.4T, when moves with a velocity of:

[8-Apr-2023 shift 2]

An emf of 0.08V is induced in a metal rod of length 10‌cm held normal to a uniform magnetic field of 0.4T, when moves with a velocity of:

Work done by a Carnot engine operating between temperatures 127∘C and 27∘C is 2‌kJ. The amount of heat transferred to the engine by the reservoir is:

[8-Apr-2023 shift 2]

Work done by a Carnot engine operating between temperatures 127∘C and 27∘C is 2‌kJ. The amount of heat transferred to the engine by the reservoir is:

The width of fringe is 2‌mm on the screen in a double slits experiment for the light of wavelength of 400‌nm. The width of the fringe for the light of wavelength 600‌nm will be:

[8-Apr-2023 shift 2]

The width of fringe is 2‌mm on the screen in a double slits experiment for the light of wavelength of 400‌nm. The width of the fringe for the light of wavelength 600‌nm will be:

The temperature at which the kinetic energy of oxygen molecules becomes double than its value at 27∘C is

[8-Apr-2023 shift 2]

The temperature at which the kinetic energy of oxygen molecules becomes double than its value at 27∘C is

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R
Assertion A : Electromagnets are made of soft iron.
Reason R : Soft iron has high permeability and low retentivity.
In the light of above, statements, chose the most appropriate answer from the options given below.

The trajectory of projectile, projected from the ground is given by y=x−‌

. Where x and y are measured in meter. The maximum height attained by the projectile will be.

[8-Apr-2023 shift 2]

The trajectory of projectile, projected from the ground is given by y=x−‌

. Where x and y are measured in meter. The maximum height attained by the projectile will be.

A bullet of mass 0.1‌kg moving horizontally with speed 400ms−1 hits a wooden block of mass 3.9‌kg kept on a horizontal rough surface. The bullet gets embedded into the block and moves 20m before coming to rest. The coefficient of friction between the block and the surface is (. Given g=10m∕ s2)

For a given transistor amplifier circuit in CE configuration VCC=1V,RC=1kΩ,Rb=100kΩ and β=100. Value of base current Ib is

[8-Apr-2023 shift 2]

For a given transistor amplifier circuit in CE configuration VCC=1V,RC=1kΩ,Rb=100kΩ and β=100. Value of base current Ib is

For particle P revolving round the centre O with radius of circular path r and angular velocity ω, as shown in below figure, the projection of OP on the x-axis at time t is

[8-Apr-2023 shift 2]

For particle P revolving round the centre O with radius of circular path r and angular velocity ω, as shown in below figure, the projection of OP on the x-axis at time t is

A radio active material is reduced to 1∕8 of its original amount in 3 days. If 8×10−3‌kg of the material is left after 5 days the initial amount of the material is

[8-Apr-2023 shift 2]

A radio active material is reduced to 1∕8 of its original amount in 3 days. If 8×10−3‌kg of the material is left after 5 days the initial amount of the material is

The equivalent resistance between A and B as shown in figure is:

[8-Apr-2023 shift 2]

The equivalent resistance between A and B as shown in figure is:

In photoelectric effect
A. The photocurrent is proportional to the intensity of the incident radiation.
B. Maximum Kinetic energy with which photoelectrons are emitted depends on the intensity of incident light.
C. Max K.E with which photoelectrons are emitted depends on the frequency of incident light.
D. The emission of photoelectrons require a minimum threshold intensity of incident radiation.
E. Max. K.E of the photoelectrons is independent of the frequency of the incident light.
Choose the correct answer from the options given below:

A 600‌pF capacitor is charged by 200V supply. It is then disconnected from the supply and is connected to another uncharged 600‌pF capacitor. Electrostatic energy lost in the process is _______ µJ

A series combination of resistor of resistance 100Ω, inductor of inductance 1H and capacitor of capacitance 6.25µF is connected to an ac source. The quality factor of the circuit will be _______.

[8-Apr-2023 shift 2]

A series combination of resistor of resistance 100Ω, inductor of inductance 1H and capacitor of capacitance 6.25µF is connected to an ac source. The quality factor of the circuit will be _______.

The number density of free electrons in copper is nearly 8×1028m−3. A copper wire has its area of cross section =2×10−6m2 and is carrying a current of 3.2A. The drift speed of the electrons is ________ ×10−6ms−1

A hollow spherical ball of uniform density rolls up a curved surface with an initial velocity 3m∕ s (as shown in figure). Maximum height with respect to the initial position covered by it will be _______ cm(. take, g=10m∕ s2)

A steel rod of length 1m and cross sectional area 10−4m2 is heated from 0∘C to 200∘C without being allowed to extend or bend. The compressive tension produced in the rod is ________ of steel =2×1011Nm−2, coefficient of linear expansion =10−5K−1 ) ×104N. (Given Young's modulus

The ratio of magnetic field at the centre of a current carrying coil of radius r to the magnetic field at distance r from the centre of coil on its axis is √x:1. The value of x is _______.

[8-Apr-2023 shift 2]

The ratio of magnetic field at the centre of a current carrying coil of radius r to the magnetic field at distance r from the centre of coil on its axis is √x:1. The value of x is _______.

The ratio of wavelength of spectral lines Hα and Hβ in the Balmer series is ‌

. The value of x is

[8-Apr-2023 shift 2]

The ratio of wavelength of spectral lines Hα and Hβ in the Balmer series is ‌

Two transparent media having refractive indices 1.0 and 1.5 are separated by a spherical refracting surface of radius of curvature 30‌cm. The centre of curvature of surface is towards denser medium and a point object is placed on the principle axis in rarer medium at a distance of 15‌cm from the pole of the surface. The distance of image from the pole of the surface is ______ cm.

A guitar string of length 90‌cm vibrates with a fundamental frequency of 120‌Hz. The length of the string producing a fundamental frequency of 180‌Hz will be ________ cm.

[8-Apr-2023 shift 2]

A guitar string of length 90‌cm vibrates with a fundamental frequency of 120‌Hz. The length of the string producing a fundamental frequency of 180‌Hz will be ________ cm.

A body of mass 5‌kg is moving with a momentum of 10‌kg‌ms−1. Now a force of 2N acts on the body in the direction of its motion for 5 s. The increase in the Kinetic energy of the body is _______ J.

The statement/s which are true about antagonists from the following is/are :
A. They bind to the receptor site
B. Get transferred inside the cell for their action
C. Inhibit the natural communication of the body
D. Mimic the natural messenger.
Choose the correct answer from the options given below:

The correct reaction profile diagram for a positive catalyst reaction.

[8-Apr-2023 shift 2]

The correct reaction profile diagram for a positive catalyst reaction.

Given below are two statements : One is labelled as Assertion A and other is labelled as Reason R
Assertion A : Sodium is about 30 times as abundant as potassium in the oceans.
Reason R : Potassium is bigger in size than sodium.
In the light of the above statements, choose the correct answer from the options given below

Which of these reactions is not a part of breakdown of ozone in stratosphere?

[8-Apr-2023 shift 2]

Which of these reactions is not a part of breakdown of ozone in stratosphere?

The correct IUPAC nomenclature for the following compound is :

[8-Apr-2023 shift 2]

The correct IUPAC nomenclature for the following compound is :

Henry Moseley studied characteristic X-ray spectra of elements. The graph which represents his observation correctly is
Given v= frequency of X-ray emitted
Z= atomic number

[8-Apr-2023 shift 2]

Henry Moseley studied characteristic X-ray spectra of elements. The graph which represents his observation correctly is
Given v= frequency of X-ray emitted
Z= atomic number

Match list I with list II

Choose the correct answer from the options given below:

[8-Apr-2023 shift 2]

Match list I with list II

Choose the correct answer from the options given below:

Major product ' P ' formed in the following reaction is :

[8-Apr-2023 shift 2]

Major product ' P ' formed in the following reaction is :

For a good quality cement, the ratio of lime to the total of the oxides of Si,Al and Fe should be as close as to

[8-Apr-2023 shift 2]

For a good quality cement, the ratio of lime to the total of the oxides of Si,Al and Fe should be as close as to

Match list I with list II

Choose the correct answer from the options given below:

[8-Apr-2023 shift 2]

Match list I with list II

Choose the correct answer from the options given below:

Which of the following have same number of significant figures?
A. 0.00253
B. 1. 0003
C. 15.0
D. 163
Choose the correct answer from the options given below

[8-Apr-2023 shift 2]

Which of the following have same number of significant figures?
A. 0.00253
B. 1. 0003
C. 15.0
D. 163
Choose the correct answer from the options given below

Given below are two statements :
Statement I : Methyl orange is a weak acid.
Statement II : The benzenoid form of methyl orange is more intense/deeply coloured than the quinonoid form.
In the light of the above statement, choose the most appropriate answer from the options given below:

The descending order of acidity for the following carboxylic acid is -
A. CH3‌COOH
B. F3C−COOH
C. ClCH2−COOH
D. BrCH2−COOH
Choose the correct answer from the options given below:

[8-Apr-2023 shift 2]

The descending order of acidity for the following carboxylic acid is -
A. CH3‌COOH
B. F3C−COOH
C. ClCH2−COOH
D. BrCH2−COOH
Choose the correct answer from the options given below:

In Hall-Heroult process, the following is used for reducing Al2O3 :-

[8-Apr-2023 shift 2]

In Hall-Heroult process, the following is used for reducing Al2O3 :-

Arrange the following gases in increasing order of van der waals constant ' a '
A. Ar
B. CH4
C. H2O
D. C6H6
Choose the correct options from the following

[8-Apr-2023 shift 2]

Arrange the following gases in increasing order of van der waals constant ' a '
A. Ar
B. CH4
C. H2O
D. C6H6
Choose the correct options from the following

Given below are two statement :
Statement I : In redox titration, the indicators used are sensitive to change in pH of the solution.
Statement II : In acid-base titration, the indicators used are sensitive to change in oxidation potential.
In the light of the above statement, choose the most appropriate answer from the options given below

Which of the following can reduce decomposition of H2O2 on exposure to light

[8-Apr-2023 shift 2]

Which of the following can reduce decomposition of H2O2 on exposure to light

The correct order of reactivity of following haloarenes towards nucleophilic substitution with aqueous NaOH is

Choose the correct answer from the options given below:

[8-Apr-2023 shift 2]

The correct order of reactivity of following haloarenes towards nucleophilic substitution with aqueous NaOH is

Choose the correct answer from the options given below:

A compound ' X ' when treated with phthalic anhydride in presence of concentrated H2SO4 yields ' Y ' ' Y ' is used as an acid/base indicator. ' X ' and ' Y ' are respectively:

[8-Apr-2023 shift 2]

A compound ' X ' when treated with phthalic anhydride in presence of concentrated H2SO4 yields ' Y ' ' Y ' is used as an acid/base indicator. ' X ' and ' Y ' are respectively:

The product (P) formed from the following multistep reaction is :

[8-Apr-2023 shift 2]

The product (P) formed from the following multistep reaction is :

The observed magnetic moment of the complex [Mn(x‌NCS)6]x− is 6.06‌BM. The numerical value of x is _______.

[8-Apr-2023 shift 2]

The observed magnetic moment of the complex [Mn(x‌NCS)6]x− is 6.06‌BM. The numerical value of x is _______.

For complete combustion of ethane,
C2H4(g)+3O2(g)→2CO2(g)+2H2O(l)
The amount of heat produced as measured in bomb calorimeter is 1406‌KJ‌mol−1 at 300K. The minimum value of T∆S needed to reach equilibrium is _______ (−) KJ (Nearest integer)
Given : R=8.3JK−1mol−1

The solubility product of BaSO4 is _______ 1×10−10 at 298K. The solubility of BaSO4 in 0.1MK2SO4 (aq) solut is ×10−9gL−1 (Nearest integer)
Given: Molar mass of BaSO4 is 233gmol−1

[8-Apr-2023 shift 2]

The solubility product of BaSO4 is _______ 1×10−10 at 298K. The solubility of BaSO4 in 0.1MK2SO4 (aq) solut is ×10−9gL−1 (Nearest integer)
Given: Molar mass of BaSO4 is 233gmol−1

The number of atomic orbitals from the following having 5 radial nodes is _______ 7 s,7p,6 s,8p,8d

[8-Apr-2023 shift 2]

The number of atomic orbitals from the following having 5 radial nodes is _______ 7 s,7p,6 s,8p,8d

The number of incorrect statement from the following is _______

[8-Apr-2023 shift 2]

The number of incorrect statement from the following is _______

Coagulating value of the electrolytes AlCl3 and NaCl for As2S3 are 0.09 and 50.04 respectively. The coagulating power of AlCl3 is x times the coagulating power of NaCl. The value of x is _______.

[8-Apr-2023 shift 2]

Coagulating value of the electrolytes AlCl3 and NaCl for As2S3 are 0.09 and 50.04 respectively. The coagulating power of AlCl3 is x times the coagulating power of NaCl. The value of x is _______.

If the boiling points of two solvents X and Y (having same molecular weights) are in the ratio 2:1 and their enthalpy of vaporizations are in the ratio 1:2, then the boiling point elevation constant of X is m times the boiling point elevation constant of Y. The value of m is _______ (nearest integer)

The number of species from the following carrying a single lone pair on central atom Xenon is ________XeF5‌+,XeO3,XeO2F2,XeF5−,XeO3F2,XeOF4,XeF4

[8-Apr-2023 shift 2]

The number of species from the following carrying a single lone pair on central atom Xenon is ________XeF5‌+,XeO3,XeO2F2,XeF5−,XeO3F2,XeOF4,XeF4

The ratio of sigma and π bonds present in pyrophosphoric acid is _______

[8-Apr-2023 shift 2]

The ratio of sigma and π bonds present in pyrophosphoric acid is _______

The sum of oxidation state of the metals in Fe(CO)5,VO2+ and WO3 is ______

[8-Apr-2023 shift 2]

The sum of oxidation state of the metals in Fe(CO)5,VO2+ and WO3 is ______

[8-Apr-2023 shift 2]