PUC Science 2nd PUC Class 12 - Karnataka Board PUC Question Bank Solutions for Chemistry

Convert 3-Methylaniline into 3-nitrotoluene.

Convert aniline into 1, 3, 5-tribromobenzene.

Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.

(CH₃)₂CHNH₂

Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.

CH₃(CH₂)₂NH₂

Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.

CH₃NHCH(CH₃)₂

Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.

(CH₃)₃CNH₂

Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.

C₆H₅NHCH₃

Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.

(CH₃CH₂)₂NCH₃

Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.

m−BrC₆H₄NH₂

Give one chemical test to distinguish between the following pair of compounds.

Methylamine and dimethylamine

Give one chemical test to distinguish between the following pair of compounds.

Secondary and tertiary amines

Give one chemical test to distinguish between the following pair of compounds.

Ethylamine and aniline

Give one chemical test to distinguish between the following pair of compounds.

Aniline and benzylamine

Give one chemical test to distinguish between the following pair of compounds.

Aniline and N-methylaniline

Account for the following:

pK_b of aniline is more than that of methylamine.

Account for the following:

Ethylamine is soluble in water, whereas aniline is not.

Account for the following:

Methylamine in water reacts with ferric chloride to precipitate hydrated ferric oxide.

How will you convert ethanoic acid into methanamine?

How will you convert hexanenitrile into 1-aminopentane?

How will you convert methanol to ethanoic acid?