What is the product (Y) formed in the following sequence of reactions?

$\underset{\mathrm{oxidation}}{\overset{\mathrm{vigorous}}{\to }}X\underset{\mathrm{heating}}{\overset{\mathrm{Dry}}{\to }}$

 

1.
2.
3.
4.

An organic compound (A) (MF C₄H₁₀O) upon dehydrogenation gives a compound (B) which forms phenyl hydrazone with phenylhydrazine and both the compounds (A) and (B) respond to iodoform test. Hence, the compound (A) is

The major product of the following reaction is:

$\stackrel{\mathrm{strong} \mathrm{heating}}{\to }$

1.  

2.  

3.  

4.  

Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields :

1. Ethyl butyrate

2. Acetoacetic ester

3. Methyl acetoacetate

4. Ethyl propionate

Nucleophilic addition reaction will be most favoured in-

1. $C{H}_{3}C{H}_{2}C{H}_{2}COC{H}_3$

2. $(C{H}_3{)}_{2}C=O$

3. $C{H}_{3}C{H}_{2}CHO$

4. $C{H}_{3}CHO$

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrins which on hydrolysis forms a racemic mixture of α-hydroxy acid. The carbonyl compound is :

1. Acetaldehyde

2. Acetone

3. Diethyl ketone

4. Formaldehyde

In a set of reactions propanoic acid yielded a compound D. 

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{COOH}\stackrel{{\mathrm{SOCl}}_2}{\to }\mathrm{B}\stackrel{{\mathrm{NH}}_3}{\to }\mathrm{C}\underset{{\mathrm{Br}}_2}{\overset{\mathrm{KOH}}{\to }}\mathrm{D}$ 
The structure of D would be :

1. $C{H}_{3}C{H}_{2}C{H}_{2}N{H}_2$

2. $C{H}_{3}C{H}_{2}CON{H}_2$

3. $C{H}_{3}C{H}_{2}NHC{H}_3$

4. $C{H}_{3}C{H}_{2}N{H}_2$

The product formed in aldol condensation is :

1. A beta-hydroxy acid

2. A beta-hydroxy aldehyde or a beta-hydroxy ketone

3. An alpha-hydroxy aldehyde or ketone.

4. An alpha, beta unsaturated ester

Consider the following compounds : 
(i) C₆H₅COCl 
(ii)  

(iii)  

(iv)  

The correct decreasing order of their reactivity towards hydrolysis is :

1. (ii)>(iv)>(iii)>(i)

2. (i)>(ii)>(iii)>(iv)

3. (iv)>(ii)>(i)>(iii)

4. (ii)>(iv)>(i)>(iii)

A strong base can abstract an $\mathrm{\alpha }$- hydrogen from:

1.  Alkene

2.  Amine

3.  Ketone

4.  Alkane