PCl₅ reacts with propanone, to give:

1. gem dichloride

2. vic dichloride

3. propanal

4. propane chloride

Identify (Z) in the following reaction series,

C₂H₅I$\underset{\mathrm{KOH}}{\overset{\mathrm{Alcoholic} }{\to }}$ (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,
                      
CH₃CH₂CH₂Br $\stackrel{\mathrm{aq}. \mathrm{NaOH}}{\to }$ (X) $\stackrel{{\mathrm{Al}}_2{\mathrm{O}}_3\left(\mathrm{heat}\right)}{\to }$ (Y) $\stackrel{\mathrm{HOCl}}{\to }$(z)

1. Mixture of ${\mathrm{CH}}_3\mathrm{CH}\left(\mathrm{Cl}\right){\mathrm{CH}}_2\left(\mathrm{Cl}\right) \mathrm{and} {\mathrm{CH}}_3\mathrm{CH}\left(\mathrm{OH}\right){\mathrm{CH}}_2\left(\mathrm{Cl}\right)$
     
2. ${\mathrm{CH}}_3\mathrm{CH}\left(\mathrm{OH}\right){\mathrm{CH}}_2\left(\mathrm{Cl}\right)$

3. ${\mathrm{CH}}_3\mathrm{CH}\left(\mathrm{Cl}\right){\mathrm{CH}}_2\left(\mathrm{OH}\right)$

4. ${\mathrm{CH}}_3\mathrm{CH}\left(\mathrm{Cl}\right)\mathrm{CH}\left(\mathrm{Cl}\right)$

Ethylidene dichloride on treatment with aqueous KOH gives:

(1) CH₃CHO

(2) $\begin{array}{c}\underset{|}{{\mathrm{CH}}_2\mathrm{OH}}\\ {\mathrm{CH}}_2\mathrm{OH}\end{array}$

(3) HCHO

(4) $\begin{array}{c}\underset{|}{\mathrm{CHO}}\\ \mathrm{CHO}\end{array}$

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

In the given reaction

the product P is:

1.		2.
3.		4.

The compound that will react most readily with gaseous bromine has the formula ?
(1) C₃H₆

(2) C₂H₂

(3) C₄H₁₀

(4) C₂H₄

The reaction of C₆H₅CH=CHCH₃ with HBr produces