Science (English Medium) Class 12 - CBSE Question Bank Solutions

Write two main functions of carbohydrates in plants.

What are reducing sugars?

Classify the following into monosaccharides and disaccharides.

Ribose, 2-deoxyribose, maltose, galactose, fructose and lactose

What are the hydrolysis products of sucrose?

Name the following compound according to IUPAC system of nomenclature:

CH₃CH(CH₃)CH₂CH₂CHO

Name the following compound according to IUPAC system of nomenclature:

CH₃CH₂COCH(C₂H₅)CH₂CH₂Cl

Name the following compound according to IUPAC system of nomenclature:

CH₃CH=CHCHO

Name the following compound according to IUPAC system of nomenclature:

CH₃COCH₂COCH₃

Name the following compound according to IUPAC system of nomenclature:

CH₃CH(CH₃)CH₂C(CH₃)₂COCH₃

Name the following compound according to IUPAC system of nomenclature:

(CH₃)₃CCH₂COOH

Name the following compound according to IUPAC system of nomenclature:

OHCC₆H₄CHO-p

Write the IUPAC name of the following ketone or aldehyde. Wherever possible, give also the common name.

CH₃CO(CH₂)₄CH₃

Write the IUPAC name of the following ketone or aldehyde. Wherever possible, give also the common name.

CH₃CH₂CHBrCH₂CH(CH₃)CHO

Write the IUPAC name of the following ketone or aldehyde. Wherever possible, give also the common name.

CH₃(CH₂)₅CHO

Write the IUPAC name of the following ketone or aldehyde. Wherever possible, give also the common name.

Ph-CH=CH-CHO

Write the IUPAC name of the following ketone or aldehyde. Wherever possible, give also the common name.

Write the IUPAC name of the following ketone or aldehyde. Wherever possible, give also the common name.

PhCOPh

Explain the following with an example.

Unsymmetrical ether

Draw the structure of major monohalo products in the following reaction:

Draw the structure of major monohalo products in the following reaction: