Which one of the following on treatement with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid ?

(1) ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2\mathrm{CHO}$

(2) ${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{CHO}$

(3) ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{CHO}$

(4) $C{H}_3-\stackrel{\stackrel{O}{\left|\right|}}{C}-C{H}_3$

Consider the following compounds :

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

(1) acetaldehyde

(2) acetone

(3) diethyl ketone

(4) formaldehyde

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

(1) ethyl butyrate

(2) acetoacetic ester

(3) methyl acetoacetate

(4) ethyl propionate

Which of the following reactions will not result in the formation of carbon-carbon bonds ?

1. Reimer-Tiemann reaction

2. Cannizaro reaction

3. Wurtz reaction

4. Friedel-Crafts acylation

Predicts the products in the given reaction,

The reaction by which benzaldehyde cannot be prepared?

Reaction of a carbonyl compound with one of the following reagents involves nucleophilic

addition followed by the elimination of water. The reagent is:

1. a Grignard reagent

2. hydrazine in presence of feebly acidic solution

3. hydrocyanic acid

4. sodium hydrogen sulphite

An ester that gets hydrolyzed most easily under alkaline conditions is:

1.		2.
3.		4.