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

How do you explain the functionality of a monomer?

Define the term polymerisation.

Is (-NH - CHR - CO-)_n a homopolymer or copolymer?

Write the name and structure of one of the common initiators used in free radical addition polymerisation.

While antacids and antiallergic drugs interfere with the function of histamines, why do these not interfere with the function of each other?

Why are cimetidine and ranitidine better antacids than sodium hydrogen carbonate or magnesium or aluminium hydroxide?

Write the names and structures of the monomers of the following polymers: Buna-S

Write the names and structures of the monomers of the following polymers: Dacron 

How do you explain the absence of the aldehyde group in the pentaacetate of D-glucose?

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