\[\text{Which of the following formula correctly represents the double salt } \mathbf{\text{"Carnallite"}}\text{?}\]\[\text{1. } \text{NaCl}\cdot\text{MgCl}_2\cdot 6\text{H}_2\text{O}\]\[\text{2. } \text{KCl}\cdot\text{MgCl}_2\cdot 6\text{H}_2\text{O}\]\[\text{3. } \text{KCl}\cdot\text{CaCl}_2\cdot 6\text{H}_2\text{O}\]\[\text{4. } \text{K}_2\text{SO}_4\cdot\text{Al}_2(\text{SO}_4)_3\cdot12\text{H}_2\text{O}\]

\[\text{The relation and units of cell constant are, respectively,}\]\[\text{1. cell constant } = l/A\text{; units: } \text{cm}^{-1}\]\[\text{2. cell constant } = A/l\text{; units: } \text{cm}\]\[\text{3. cell constant } = l \times A\text{; units: } \text{cm}^3\]\[\text{4. cell constant } = l/A\text{; units: } \text{cm}\]

\[\text{Which of the following compounds will give } \mathbf{\text{Fehling's solution test}}\text{?}\]\[\text{(A) } \text{CH}_3\text{CHO}\]\[\text{(B) } \text{C}_6\text{H}_5\text{CHO}\]\[\text{(C) } \text{CH}_3\text{CH}_2\text{CHO}\]\[\text{(D) } \text{HCHO}\]\[\text{1. (A), (B) and (D) only}\]\[\text{2. (A), (C) and (D) only}\]\[\text{3. (A), (B), (C) and (D)}\]\[\text{4. (B), (C) and (D) only}\]

\[\text{What is the chemical composition of } \mathbf{\text{Tollen's reagent}}\text{?}\]\[\text{1. Ammoniacal Silver nitrate solution.}\]\[ \text{2. Ammoniacal Sodium Nitrate Solution.}\]\[\text{3. Ammoniacal Copper Nitrate Solution.}\]\[\text{4. Ammoniacal Zinc Nitrate Solution.}\]

\[\text{What is the IUPAC name of } \mathbf{\text{Oxalic acid}}\text{?}\]\[\text{1. Butanedioic Acid}\]\[\text{2. Propanedioic Acid}\]\[\text{3. Ethanedioic Acid}\]\[\text{4. Hexanedioic Acid}\]

\[\text{Which among the following is the } \mathbf{\text{strongest base}} \text{ in aqueous solution?}\]\[\text{1. Methylamine}\]\[\text{2. Dimethylamine}\]\[\text{3. Trimethylamine}\]\[\text{4. Aniline}\]

\[\text{Among the following compounds, which } \mathbf{\text{will not undergo oxidation reaction}}\text{?}\]\[\text{1. Butanal}\]\[\text{2. Butan-2-ol}\]\[\text{3. 2-Methylbutan-2-ol}\]\[\text{4. 3-Methylbutan-2-ol}\]

Match List-I with List-II

Choose the correct answer from the options below:\[\text{1. (A) - (I), (B) - (II), (C) - (III), (D) - (IV)}\]\[\text{2. (A) - (III), (B) - (I), (C) - (II), (D) - (IV)}\]\[\text{3. (A) - (III), (B) - (II), (C) - (I), (D) - (IV)}\]\[\text{4. (A) - (III), (B) - (IV), (C) - (I), (D) - (II)}\]

\[\text{A cell is formed by combining given electrodes with } \text{Zn}^{2+} | \text{Zn}(\text{s}) (E^\circ = -0.76 \text{ V})\text{. Arrange the following in } \mathbf{\text{decreasing order of } E^\circ_{\text{cell}}}\text{.}\]\[\mathbf{\text{Cell Notation: }} \text{Zn}(\text{s}) | \text{Zn}^{2+} || \text{Given electrode}\]\[\text{(A) } \text{Ag}^+ | \text{Ag}(\text{s})\text{: } E^\circ = +0.80 \text{ V}\]\[\text{(B) } \text{Na}^+ | \text{Na}(\text{s})\text{: } E^\circ = -2.71 \text{ V}\]\[\text{(C) } \text{Fe}^{2+} | \text{Fe}(\text{s})\text{: } E^\circ = -0.44 \text{ V}\]\[\text{(D) } \text{Cu}^+ | \text{Cu}(\text{s})\text{: } E^\circ = +0.52 \text{ V}\]Choose the correct answer from the options given below:\[\text{1. (A), (D), (C), (B)}\]\[\text{2. (A), (B), (C), (D)}\]\[\text{3. (B), (C), (D), (A)}\]\[\text{4. (C), (B), (D), (A)}\]

\[\text{The nomenclature of the complex } [\text{CuCl}_2(\text{CH}_3\text{NH}_2)_2] \text{ is}\]\[\text{1. Bis(methylamine)dichlorocopper(I)}\]\[\text{2. Dichlorido(methylamine)copper(I)}\]\[\text{3. Bis(methylamine)dichlorocopper(II)}\]\[\text{4. Dichlorobis(methylamine)copper(II)}\]

\[\text{Arrange the following transition metal ions in the } \mathbf{\text{increasing order of unpaired electrons}}\text{.}\]\[\text{(A) } \text{Cu}^{2+}\]\[\text{(B) } \text{Cr}^{2+}\]\[\text{(C) } \text{Ni}^{2+}\]\[\text{(D) } \text{Sc}^{3+}\]\[\text{Choose the correct answer from the options given below:}\]\[\text{1. (A), (D), (C), (B)}\]\[\text{2. (D), (B), (A), (C)}\]\[\text{3. (B), (A), (D), (C)}\]\[\text{4. (D), (A), (C), (B)}\]

\[\text{Un-decomposed silver bromide from developed film, in black and white photography, makes a complex with hypo. The formula of the complex is}\] \[\text{1. } [\text{Ag}(\text{S}_2\text{O}_3)_2]^{3-}\]\[\text{2. } [\text{Ag}(\text{S}_2\text{O}_3)_2]^{2-}\]\[\text{3. } [\text{Ag}_2(\text{S}_2\text{O}_8)_2]^{2-}\]\[\text{4. } [\text{Ag}(\text{S}_2\text{O}_8)_2]^{3-}\]

Match the metal ion given in List-I with its property given in List-II

Choose the correct answer from the options given below:\[\text{1. (A) - (I), (B) - (II), (C) - (III), (D) - (IV)}\]\[\text{2. (A) - (II), (B) - (I), (C) - (III), (D) - (IV)}\]\[\text{3. (A) - (II), (B) - (I), (C) - (IV), (D) - (III)}\]\[\text{4. (A) - (III), (B) - (IV), (C) - (I), (D) - (II)}\]

\[\text{Among the following, which is the correct set of reducing agents for conversion of } \mathbf{\text{nitrobenzene into aniline}}\text{?}\]\[\text{(A) } \text{H}_2/\text{Pd}\]\[\text{(B) } \text{Sn}+\text{HCl}\]\[\text{(C) } \text{Fe}+\text{HCl}\]\[\text{(D) } \text{NaBH}_4\]\[\text{Choose the correct answer from the options given below:}\]\[\text{1. (A), (B), (C) and (D)}\]\[\text{2. (A), (B) and (D) only}\]\[\text{3. (A), (B) and (C) only}\]\[\text{4. (B), (C) and (D) only}\]

\[\text{Which of the following reagent is } \mathbf{\text{not used}} \text{ to convert aldehyde into alcohol?}\]\[\text{1. } \text{H}_2/\text{Pd}\]\[\text{2. } \text{LiAlH}_4\]\[\text{3. } \text{NaBH}_4\]\[\text{4. } \text{Sn}/\text{HCl}\]

Match List-I with List-II

Choose the correct answer from the options given below:\[\text{1. (A) - (III), (B) - (I), (C) - (II), (D) - (IV)}\]\[\text{2. (A) - (II), (B) - (I), (C) - (III), (D) - (IV)}\]\[\text{3. (A) - (III), (B) - (I), (C) - (IV), (D) - (II)}\]\[\text{4. (A) - (III), (B) - (II), (C) - (I), (D) - (IV)}\]

\[\text{In neutral or mild alkaline solutions, potassium permanganate oxidizes manganous salt } (\mathbf{\text{Mn}^{2+}}) \text{ to }\mathbf{......}\text{?}\]\[\text{1. } \text{MnO}_2\]\[\text{2. } \text{Mn}^{2+}\]\[\text{3. } \text{MnO}_4^{-2}\]\[\text{4. } \text{MnO}_4^{-}\]

\[\text{In the following diagram, to prevent osmosis, if excess pressure is applied on one side of the semipermeable membrane (SPM), then I, II, III and IV are, respectively,}\]

\[\text{(A) Solution}\]\[\text{(B) } P_{\text{atm}}\]\[\text{(C) } P_{\text{atm}} + \Pi\]\[\text{(D) Solvent}\] Choose the correct answer from the options given below:\[\text{1. (A), (B), (C), (D)}\]\[\text{2. (D), (B), (C), (A)}\]\[\text{3. (B), (A), (D), (C)}\]\[\text{4. (C), (B), (A), (D)}\]

\[\text{Which of the following statements is } \mathbf{\text{correct for the galvanic cell}}\text{?}\]\[\text{1. The half-cell in which oxidation takes place is called anode and has a negative potential with respect to the solution.}\]\[\text{2. The half-cell in which oxidation takes place is called anode and has a positive potential with respect to the solution.}\]\[\text{3. The half-cell in which reduction takes place is called cathode and has a negative potential with respect to the solution.}\]\[\text{4. The half-cell in which reduction takes place is called anode and has a negative potential with respect to the solution.}\]

\[\text{Which one of the following correctly represents the concentration term } \mathbf{\text{'ppm'}}\text{?}\]\[\text{1. } \text{ppm}=\frac{\text{Number of parts of the component}}{\text{Total number of parts of all the components of the solution}}\]\[\text{2. } \text{ppm}=\frac{\text{Number of parts of the component}}{\text{Total number of parts of all the components of the solution}} \times 10^{12}\]\[\text{3. } \mathbf{\text{ppm}=\frac{\text{Number of parts of the component}}{\text{Total number of parts of all the components of the solution}} \times 10^{6}}\]\[\text{4. } \text{ppm}=\frac{\text{Number of parts of the component}}{\text{Total number of parts of all the components of the solution}} \times 10^{3}\]

\[\text{The standard electrode potential for a Daniell cell is } 1.1 \text{ V}\text{. Calculate the standard Gibbs energy for the reaction:}\]\[\text{Zn}(\text{s})+\text{Cu}^{2+}(\text{aq}) \to \text{Zn}^{2+}(\text{aq})+\text{Cu}(\text{s})\]\[\text{1. } -220.27 \text{ kJ } \text{mol}^{-1}\]\[\text{2. } -240.5 \text{ kJ } \text{mol}^{-1}\]\[\text{3. } -212.27 \text{ kJ } \text{mol}^{-1}\]\[\text{4. } -198 \text{ kJ } \text{mol}^{-1}\]

\[\text{Which of the following statements is } \mathbf{\text{NOT correct}} \text{ regarding the catalytic ability of transition metals?}\]\[\text{1. ability of transition metals to exist in variable oxidation state}\]\[\text{2. decrease the concentration of reactant at catalyst surface}\]\[\text{3. activation energy is lowered}\]\[\text{4. weakens the bond in the reacting molecules}\]

\[\text{Complete the following analogy: } \mathbf{S}_{\text{N}}\mathbf{2}\text{: Inversion of configuration; } \mathbf{S}_{\text{N}}\mathbf{1}\text{:} \mathbf{......}\text{?}\]\[\text{1. Racemisation}\]\[\text{2. Retention}\]\[\text{3. Optical rotation}\]\[\text{4. Chiral}\]

\[\text{Which of the following complexes are } \mathbf{\text{square planar}}\text{?}\]\[\text{(A) } [\text{Ni}(\text{CN})_4]^{2-}\]\[\text{(B) } [\text{NiCl}_4]^{2-}\]\[\text{(C) } [\text{PtCl}_4]^{2-}\]\[\text{(D) } [\text{PdCl}_4]^{2-}\]Choose the correct answer from the options given below\[\text{1. (B) and (D) only}\]\[\text{2. (A), (B) and (C) only}\]\[\text{3. (B), (C) and (D) only}\]\[\text{4. (A), (C) and (D) only}\]

\[\text{Reaction of Phenol with conc. } \mathbf{\text{HNO}_3} \text{ gives}\]\[\text{1. Citric acid}\]\[\text{2. Picric Acid}\]\[\text{3. Nitrobenzene}\]\[\text{4. o-Nitrobenzene}\]

\[\text{What is the reagent used in } \mathbf{\text{Clemmensen reduction}}\text{?}\]\[\text{1. } \text{NH}_2\text{NH}_2\]\[\text{2. } \text{NaOCl}\]\[\text{3. } \text{Zn-Hg/conc. HCl}\]\[\text{4. } \text{NaHSO}_3\]

\[\text{Which among the following shows } \mathbf{\text{positive deviation from Raoult's law}}\text{?}\]\[\text{1. Ethanol and Acetone}\]\[\text{2. Bromoethane and Chloroethane}\]\[\text{3. n-Hexane and n-Heptane}\]\[\text{4. Chloroform and Acetone}\]

\[\text{Nitration of aniline with } \mathbf{\text{nitric acid and sulphuric acid}} \text{ gives major product as}\]\[\text{1. m-nitroaniline}\]\[\text{2. p-nitroaniline}\]\[\text{3. o-nitroaniline}\]\[\text{4. Anilinum hydrogen sulphate}\]

What is the product of nitration of Benzoic acid ?

1. o-Nitrobenzoic acid
2. m-Nitrobenzoic acid
3. o-Nitrobenzoic acid p-Nitrobenzoic acid
4. p-Nitrobenzoic acid

Which of the following is an example of vic-dihalide ?

1. Dichloromethane
2. 1,2-Dichloroethane
3. Ethylidene chloride
4. Allyl chloride

Zr and Hf (transition metals) occur together in nature and are difficult to separate. This can be attributed to

1. Filling of same d orbital
2. Actinoid contraction
3. Lanthanoid contraction
4. Both belong to same transition series of d-block elements

\[\text{Identify the correct statements for } \mathbf{\text{Ethylene dichloride}} \text{ and } \mathbf{\text{Ethylidene chloride}}\]\[\text{(A) They represent structural isomers.}\]\[\text{(B) Both are formed by reaction of ethene with chlorine in presence of } \text{CCl}_4\]\[\text{(C) Both the compounds belong to a class of dihalocompounds}\]\[\text{(D) Both the compounds are optically inactive.}\]Choose the correct answer from the options given below:\[\text{1. (A), (C) and (D) only}\]\[\text{2. (A), (B) and (C) only}\]\[\text{3. (A), (B), (C) and (D)}\]\[\text{4. (B), (C) and (D) only}\]

\[\text{Choose the correct order of increasing acidic strength of following compounds:}\]\[\text{(A) 3-Nitrophenol}\]\[\text{(B) Phenol}\]\[\text{(C) Propan-1-ol}\]\[\text{(D) 3,5-Dinitrophenol}\]\[\text{Choose the correct answer from the options given below:}\]\[\text{1. (D), (B), (A), (C)}\]\[\text{2. (C), (B), (A), (D)}\]\[\text{3. (C), (A), (B), (D)}\]\[\text{4. (C), (A), (D), (B)}\]

\[\text{What can be the product of Hoffmann bromamide degradation reaction?}\]\[\text{(1) } \left(\text{CH}_{3}\right)_{2}\text{NH}\]\[\text{(2) } \left(\text{CH}_{3}\right)_{3}\text{N}\]\[\text{(3) } \text{CH}_{3}\text{NH}_{2}\]\[\text{(4) } \text{NH}_{3}\]

Match List-I with List-II with their boiling points.

Choose the correct answer from the options given below:\[\text{1. (A) - (III), (B) - (IV), (C) - (I), (D) - (II)}\]\[\text{2. (A) - (IV), (B) - (III), (C) - (I), (D) - (II)}\]\[\text{3. (A) - (III), (B) - (IV), (C) - (II), (D) - (I)}\]\[\text{4. (A) - (IV), (B) - (III), (C) - (II), (D) - (I)}\]

\[\text{The correct IUPAC name for } \mathbf{\text{CH}_2=\text{CHCH}_2\text{NHCH}_3}\text{.}\]\[\text{1. Allylmethylamine}\]\[\text{2. 2-Amino-4-pentene}\]\[\text{3. 4-Amino-pent-1-ene}\]\[\text{4. N-Methylprop-2-en-1-amine}\]

\[\text{Arrange the following in order of } \mathbf{\text{increasing boiling points}}\text{.}\]\[\text{(A) Bromomethane }\]\[\text{(B) Bromoform }\]\[\text{(C) Chloromethane }\]\[\text{(D) Dibromomethane }\]Choose the correct answer from the options given below:\[\text{1. (C), (A), (D), (B)}\]\[\text{2. (C), (B), (D), (A)}\]\[\text{3. (D), (A), (B), (C)}\]\[\text{4. (A), (B), (D), (C)}\]

\[\text{Which of the following statements are correct for } \mathbf{\text{dilute solutions}}\text{?}\]\[\text{(A) The elevation in boiling point is directly proportional to the molality of the solution.}\]\[\text{(B) The elevation in boiling point is inversely proportional to the molality of the solution.}\]\[\text{(C) The depression in freezing point is directly proportional to the molality of the solution.}\]\[\text{(D) The depression in freezing point is inversely proportional to the molality of the solution.}\]\[\text{Choose the correct answer from the options given below:}\]\[\text{1. (A) and (D) only}\]\[\text{2. (A) and (C) only}\]\[\text{3. (B) and (C) only}\]\[\text{4. (B) and (D) only}\]

What is Xerophthalmia disease?

1. Loss of appetite

2. RBC deficient in haemoglobin

3. Bleeding gums

4. Hardening of cornea of eye.

Which Vitamin is known as Pyridoxine ?

1. Vitamin B1
2. Vitamin B12
3. Vitamin B2
4. Vitamin B6

Deficiency of which vitamin causes scurvy ?

1. Vitamin C
2. Vitamin B
3. Vitamin D
4. Vitamin K

What are the sources of Vitamin B12?

1. Yeast, milk, egg yolk, cereals and grams

2. Meat, fish, egg and curd

3. Green leafy vegetables.

4. Citrus fruits, amla and green leafy vegetables.

Among the following, water-soluble vitamin is

1. Vitamin A
2. Vitamin D
3. Vitamin C
4. Vitamin K

The rate constant of a reaction is 2.1 mol L-¹s-¹. What is the order of the reaction?

1. Zero order

2. First order

3. Second order

4. Third order

\[\text{A certain amount of } \text{N}_2\text{O}_5 \text{ decomposes to half of its initial amount in } 50 \text{ minutes.}\]\[\text{If the decomposition is a } \mathbf{\text{first order reaction}}\text{, the rate constant of the reaction is.}\]\[\text{1. } 1.38 \times 10^{-2} \text{ s}^{-1}\]\[\text{2. } 1.38 \times 10^{-4} \text{ s}^{-1}\]\[\text{3. } 2.31 \times 10^{-4} \text{ s}^{-1}\]\[\text{4. } 4.2.31 \times 10^{-2} \text{ min}^{-1}\]

\[\text{For an integrated first order reaction, a straight line graph is plotted. The } \mathbf{\text{incorrect co-ordinates}} \text{ and resulting slope of the graph are}\]\[\text{1. } \log[\text{R}] \text{ vs } t\text{; Slope } = -k/2.303\]\[\text{2. } \ln([\text{R}]_0/[\text{R}]) \text{ vs } t\text{; Slope } = k\]\[\text{3. } \ln[\text{R}] \text{ vs } t\text{; Slope } = k\]\[\text{4. } \log([\text{R}]_0/[\text{R}]) \text{ vs } t\text{; Slope } = k/2.303\]

A reaction is first order in A and second order in B. If the concentration of B is doubled its initial concentration and A is reduced to 3/4th of its initial concentration, the new rate of the reaction is

1. remains same as before

2. doubles

3. triples

4. becomes half of initial rate

\[\text{Choose the } \mathbf{\text{correct statement}} \text{ regarding kinetics of a chemical reaction.}\]\[\text{1. The unit of rate constant for a second order reaction is } \text{L } \text{mol}^{-1} \text{ s}^{-2}\text{.}\]\[\text{2. For complex reactions, order is given by the slowest step and the molecularity of the slowest step is the same as the order of the overall reaction.}\]\[\text{3. For zero order reaction, } t_{1/2} \text{ is independent of the initial concentration of the reactant.}\]\[\text{4. Decomposition of } \text{N}_2\text{O}_5 \text{ is an example of pseudo first order reaction.}\]