Science (English Medium) कक्षा १२ - CBSE Question Bank Solutions for Chemistry

Explain the bonding in coordination compounds in terms of Werner’s postulates.

FeSO₄ solution mixed with (NH₄)₂SO₄ solution in 1 : 1 molar ratio gives the test of Fe²⁺ ion but CuSO₄ solution mixed with aqueous ammonia in 1 : 4 molar ratio does not give the test of Cu²⁺ ion. Explain why?

How many ions are produced from the complex Co(NH₃)₆Cl₂ in solution?

How are polymers classified on the basis of structure?

What is natural polymer? Give two examples of natural polymers.

Name the macromolecules that are chosen as drug targets.

Which forces are involved in holding the drugs to the active site of enzymes?

Glucose or sucrose are soluble in water but cyclohexane or benzene (simple six membered ring compounds) are insoluble in water. Explain.

What are the expected products of hydrolysis of lactose?

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