41.

Which of the following is not condensation polymer?

• Melamine

• Glyptal

• Dacron

• Dacron

In the following sequence of reactions,


the end product is (C) is

• acetone

• methane

• acetaldehyde

• acetaldehyde

CH₃CHO and C₆H₅CH₂CHO can be distinguished chemically by

• Benedict test

• Iodoform test

• Tollen's reagent test

• Tollen's reagent test

Predict the products in the given reaction,

Acetone is treated with an excess of ethanol in the presence of hydrochloric acid. The product obtained is.

Among the following compounds, the one that is most reactive towards electrophilic nitration is

• Benzoic acid

• Nitrobenzene

• toluene

• toluene

The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) and formic acid (D) is 

• B > A> D > C

• B  > D > C > A

• A> B > C  > D

• A> B > C  > D

Which one of the following sets of monosaccharides forms sucrose?

• α-D-galactopyranose and α-D- glucopyranose
• α-D-glucopyranose and β-D-fructofuranose
• β-D-glucopyranose and α-D-fructofuranose
• β-D-glucopyranose and α-D-fructofuranose

Which of the following statements is false?

• Artificial silk is derved from cellulose

• Nylon-66 is an example of elastomer

• The repeat unit  in natural rubber isoprene

• The repeat unit  in natural rubber isoprene

In the following reaction,