Which of the following is produced when acetylene is passed in dilute H₂SO₄ in the presence of HgSO₄?

• C₂H₅OH

• CH₃COCH₃

• CH₃CHO

• Mercury carbide

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

227.

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

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