JEE Main Test 125

Result

JEE Main Test 125

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Score
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Rank

Time Taken: -

Question 1/10
4 / -1

The atomicity of sulphur in rhombic sulphur is

Correct

Wrong

Skipped
A
1

Correct

Wrong

Skipped
B
2

Correct

Wrong

Skipped
C
4

Correct

Wrong

Skipped
D
8

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Solutions
Question 2/10
4 / -1

Which metal gives hydrogen gas on heating with hot concentrated alkali ?

Correct

Wrong

Skipped
A
Ag

Correct

Wrong

Skipped
B
Ni

Correct

Wrong

Skipped
C
Zn

Correct

Wrong

Skipped
D
Cu

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Solutions

Zinc on heating with hot concentrated alkali gives hydrogen gas.
Question 3/10
4 / -1

If f(x) = |log |x||, then

Correct

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A
f(x) is continuous and differentiable for all x in its domain

Correct

Wrong

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B
f(x) is continuous for all x in its domain but not differentiable at x = ± 1

Correct

Wrong

Skipped
C
f(x) is neither continuous nor differentiable at x = ± 1

Correct

Wrong

Skipped
D
None of the above

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Solutions
Question 4/10
4 / -1

Which of the following statements is incorrect regarding benzyl chloride?

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A
It gives white precipitate with alcoholic AgNO₃

Correct

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B
It is an aromatic compound with substitution in the side chain

Correct

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C
It undergoes nucleophilic substitution reaction

Correct

Wrong

Skipped
D
It is less reactive than vinyl chloride

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Solutions

Benzyl chloride is an organic compound. It is colorless liquid and is reactive organochlorine compound , and gives white precipitation with AgNO₃ followed by nucleo-philic substitution reaction.
Question 5/10
4 / -1

What is the overall formation equilibrium constant for the ion [ML₄]^2- ion, given that β₄ for this complex is 2.5 × 10¹³ ?

Correct

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Skipped
A
2.5 × 10¹³

Correct

Wrong

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B
5 × 10^-13

Correct

Wrong

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C
2.5 × 10^-14

Correct

Wrong

Skipped
D
4.0 × 10^-13

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Solutions
Question 6/10
4 / -1

A point on the parabola y² = 18x at which the ordinate increases at twice the rate of the abscissa is

Correct

Wrong

Skipped
A
(2, 4)

Correct

Wrong

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B
(2, -4)

Correct

Wrong

Skipped
C
(-9/8, 9/2)

Correct

Wrong

Skipped
D
(9/8, 9/2)

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Solutions
Question 7/10
4 / -1

In the following reaction sequence predict the compound X and Y.

Correct

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A

Correct

Wrong

Skipped
B

Correct

Wrong

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C

Correct

Wrong

Skipped
D

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Solutions
Question 8/10
4 / -1

If f(x) be a differentiable function in [2, 7]. If f(2) = 3 and f '(x) ≤ 5 for all x in (2, 7), then the maximum possible value of f(x) at x = 7 is

Correct

Wrong

Skipped
A
7

Correct

Wrong

Skipped
B
15

Correct

Wrong

Skipped
C
28

Correct

Wrong

Skipped
D
14

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Solutions
Question 9/10
4 / -1

The reactivity of compound Z with different halogens under appropriate conditions is given below

Correct

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A
the steric effect on the halogen

Correct

Wrong

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B
the steric effect of the tert-butyl group

Correct

Wrong

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C
the electronic effect of the phenolic group

Correct

Wrong

Skipped
D
All (1) , (2) and (3)

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Solutions
Question 10/10
4 / -1

The major product(s) of the following reaction is (are)

Correct

Wrong

Skipped
A
P

Correct

Wrong

Skipped
B
Q

Correct

Wrong

Skipped
C
R

Correct

Wrong

Skipped
D
S

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Solutions

Question 1/10

1

2

4

8

Question 2/10

Ag

Ni

Zn

Cu

Question 3/10

f(x) is continuous and differentiable for all x in its domain

f(x) is continuous for all x in its domain but not differentiable at x = ± 1

f(x) is neither continuous nor differentiable at x = ± 1

None of the above

Question 4/10

It gives white precipitate with alcoholic AgNO3

It is an aromatic compound with substitution in the side chain

It undergoes nucleophilic substitution reaction

It is less reactive than vinyl chloride

Question 5/10

2.5 × 1013

5 × 10-13

2.5 × 10-14

4.0 × 10-13

Question 6/10

(2, 4)

(2, -4)

(-9/8, 9/2)

(9/8, 9/2)

Question 7/10

Question 8/10

7

15

28

14

Question 9/10

the steric effect on the halogen

the steric effect of the tert-butyl group

the electronic effect of the phenolic group

All (1) , (2) and (3)

Question 10/10

P

Q

R

S

It gives white precipitate with alcoholic AgNO₃

2.5 × 10¹³

5 × 10^-13

2.5 × 10^-14

4.0 × 10^-13