Dehydration of glycerol gives

• propane

• propene

• acrolein

• benzene

The acid present in vinegar is

• CH₃COOH

• H₂SO₄

• HCl

• HNO₃

Which one of the following reagents can distinguish between an aldehyde and a ketone?

• Fehling's solution

• H₂SO₄ solution 

• NaHSO₄

• NH₃

Dry distillation of the mixture of calcium formate and calcium acetate gives

• acetone

• acetaldehyde

• formaldehyde

• formic acid

The general formula (RCO)₂O represents

• a ketone

• an ether

• an acid anhydride

• an ester

Reaction of dry HCl with acetone gives

• aldol

• chloritone

• isopropyl alcohol

• None of the above

Trioxane has the formula , it is prepared from

• formaldehyde

• methanol

• dichloromethane

• vinyl alcohol

708.

When methyl cyanide is hydrolysed in presence of alkali, the product is

• acetamide

• methane

• CO₂ + H₂O

• acetic acid

The IUPAC name of crototonaldehyde is

• prop-2-en-1-al

• propenal

• but-2-en-1-al

• butenal

Which of the following reacts with phenol to give salicylaldehyde after hydrolysis?

• Dichloro methane

• Trichloro methane

• Methyl chloride

• None of these