The term hypnone is used for:

(1) benzophenone

(2) acetophenone

(3) acetaldehyde

(4) none of these

Collin's reageant causes the conversion: 

(1) >CO $\to$>CHOH

(2) >CHO $\to$$-$COOH

(3) >CHOH $\to$>CO

(4) >CHOH $\to$$-$COOH

This polymer is obtained when acetone is saturated with hydrogen chloride gas. Polymer is:

(1) phorone

(2) formose

(3) diacetonyl alcohol

(4) mesityl oxide

C₆H₅CHO on reacting with Cl₂ gives:

(1) C₆H₅CHCl₂

(2) C₆H₅COOH

(3) C₆H₅CH₂OH

(4) C₆H₅COCl

Dialkyl cadmium reacts with a compound to form a ketone

The compound is:

1. acid

2. acid chloride

3. ester

4. CO

Ketones are less reactive than aldehydes because:

(1) C=O group is more polar in ketones

(2) of electromeric effect

(3) of steric hindrance to the attacking reagent 

(4) none of the above

The polymer is obtained when HCHO is allowed to stand. It is a white solid. The polymer is:

(1) trioxane

(2) formose

(3) para-formaldehyde

(4) metaldehyde

The important step in Cannizzaro's reaction is the intermolecular shift of:

(1) proton

(2) H-atom

(3) hydride ion

(4) hydronium ion

Pinacole is:

1. 2,3-dimethyl-2,3-butandiol

2. 3,3-dimethyl-2-propanone

3. 3-methylbutan-2-ol

4. None of the above

Which reaction is used for detecting the presence of carbonyl group?

1. Reaction with hydrazine

2. Reaction with phenylhydrazine

3. Reaction with hydroxylamine

4. All of the above