The set of reagents used to produce freon (CCl₂F₂) are:

1.	C + F2 + Cl2  →
2.	CH3Cl + F2  →
3.	\(CCl_4 + HF \ \xrightarrow[]{SbCl_5} \)
4.	CCl4 + F2  →

What causes an alkyl iodide to darken on standing?

1. Hydrolysis                         

2. Conversion into ether

3. Liberation of iodine             

4. Formation of alkanes

In the following sequences of reactions;

CH₃CH₂CH₂I →KOH(alc.)(A)→Br₂(B)→NaNH₂/NH₃(C) the end product (C) is:

1. alkene

2. alkanol

3. alkyne

4. alkyl amine

PCI₅ reacts with propanone to give:

1. gem-Dichloride

2. vic-Dichloride

3. Propanal

4. Propane chloride

Identify (Z) in the following reaction series,

C₂H₅I$\underset{\mathrm{KOH}}{\overset{\mathrm{Alcoholic}<mspace\; width="1em"></mspace>}{\to }}$ (x) $\stackrel{{\mathrm{Br}}_2}{\to }$ (Y) $\stackrel{\mathrm{KCN}}{\to }$(Z):

1. CH₃-CH₂-CN

2. $\begin{array}{ccc}\underset{\mathrm{CN}}{\underset{|}{{\mathrm{CH}}_2}}& -& \underset{\mathrm{CN}}{\underset{|}{{\mathrm{CH}}_2}}\end{array}$

3. $\begin{array}{ccc}\underset{\mathrm{Br}}{\underset{|}{{\mathrm{CH}}_2}}& -& \underset{\mathrm{CN}}{\underset{|}{{\mathrm{CH}}_2}}\end{array}\begin{array}{}\end{array}$

4. $\begin{array}{ccc}\underset{\mathrm{Br}}{\underset{|}{\mathrm{CH}}}& =& \underset{\mathrm{CN}}{\underset{|}{\mathrm{CH}}}\end{array}$

Identity ‘Z’ in the following reaction series,
                      aq. NaOH Al2O3(Heat) HOCl
CH₃.CH₂CH₂Br→  (X)    →   (Y) →(z)

1. Mixture of
CH₃-CH-CH₂ and CH₃-CH-CH₂
           l     l                l     l
         Cl    Cl              OH Cl

2. CH₃-CH-CH₂
              l       l
             OH   Cl

3. CH₃-CH-CH₂
              l      l
             Cl   OH

4. CH₃-CH-CH₂
               l     l
              Cl   Cl

A compound A of formula C₃H₆Cl₂ on reaction with alkali can give B of formula C₃H₆O or C of formula C₃H₄. B on oxidation gave a compound of the formula C₃H₆O₂. C with dilute H₂SO₄ containing Hg²⁺ ion gave D of formula C₃H₆O, which with bromine and NaOH gave the sodium salt of C₂H₄O₂. Then A is:

1. CH₃CH₂CHCl₂
2. CH₃CCl₂CH₃
3. CH₃CHClCH₂Cl
4. CH₂ClCH₂CH₂Cl

Which chloro derivative of benzene among the following would undergo hydrolysis most readily with aqueous NaOH to furnish the corresponding hydroxy derivative?

1. 

2. 

3. 

4. ${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{Cl}$

Which of the following compounds are optically active?

(i). 

(ii). 

(iii). 

(iv). 

1. (i) & (ii)

2. (i) & (iii)

3. (ii) & (iii)

4. (i) & (iv)

Which of the following is not product of above reaction?

1. 

2. 

3. 

4.