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

Can you store copper sulphate solutions in a zinc pot?

Arrange the following metals in the order in which they displace each other from the solution of their salts.

Al, Cu, Fe, Mg and Zn.

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?

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