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

1.  Alkene

2.  Amine

3.  Ketone

4.  Alkane

Acetophenone when reacted with a base, C₂H₅ONa, yields a stable compound which has the structure

1.  

2.  

3.  

4.  

A reaction among the following tht donot result in the formation of carbon-carbon bonds is -

1. Reimer-tiemann reaction

2. Cannizzaro reaction

3. Wurtz reaction

4. Friedel-Crafts acylation

Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is

1. $C{H}_{3}COOC{H}_3$

2. $C{H}_{3}CON{H}_2$

3. $C{H}_{3}COOCOC{H}_3$

4. $C{H}_{3}COCl$

Which one is a nucleophilic substitution reaction among the following?

1.  $\mathrm{RCHO}+\mathrm{R}\text{'}\mathrm{MgX}\to \mathrm{R}-\underset{\mathrm{OH}}{\underset{|}{\mathrm{CH}}}-\mathrm{R}\text{'}$

2.  ${\mathrm{CH}}_3-{\mathrm{CH}}_2-\stackrel{{\mathrm{CH}}_3}{\stackrel{|}{\mathrm{CH}}}-{\mathrm{CH}}_2\mathrm{Br}+{\mathrm{NH}}_3\to {\mathrm{CH}}_3-{\mathrm{CH}}_2-\stackrel{{\mathrm{CH}}_3}{\stackrel{|}{\mathrm{CH}}}-{\mathrm{CH}}_2{\mathrm{NH}}_2$

3.  ${\mathrm{CH}}_3\mathrm{CHO}+\mathrm{HCN}\to {\mathrm{CH}}_3\mathrm{CH}\left(\mathrm{OH}\right)\mathrm{CN}$

4.  ${\mathrm{CH}}_3-\mathrm{CH}={\mathrm{CH}}_2+{\mathrm{H}}_2\mathrm{O}\stackrel{{\mathrm{H}}^{+}}{\to }{\mathrm{CH}}_3-\underset{\mathrm{OH}}{\underset{|}{\mathrm{CH}}}-{\mathrm{CH}}_3$

In a set of reactions, m-bromobenzoic acid gave a product D. The product D is:

1.		2.
3.		4.

Clemmensen reduction of a ketone is carried out in the presence of which of the following?

1.  $\mathrm{Zn}$-$\mathrm{Hg}$ with $\mathrm{HCl}$

2.  ${\mathrm{LiAlH}}_4$

3.  ${\mathrm{H}}_2$ and $\mathrm{Pt}$ as catalyst

4.  Glycol with $\mathrm{KOH}$

${\mathrm{CH}}_3\mathrm{CHO}$ and ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2\mathrm{CHO}$ can be distinguished chemically by-

1. Benedict test

2. Iodoform test

3. Tollen's reagent test

4. Fehling solution test