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

How the following conversions can be carried out?

tert-Butyl bromide to isobutyl bromide

Mention the conditions required to maximise the yield of ammonia.

How does ammonia react with a solution of Cu²⁺?

How is ammonia manufactured industrially?

Arrange the following:

In increasing order of solubility in water:

C₆H₅NH₂, (C₂H₅)₂NH, C₂H₅NH₂

Classify the following amine as primary, secondary or tertiary:

Classify the following amine as primary, secondary or tertiary:

Classify the following amine as primary, secondary or tertiary:

(C₂H₅)₂CHNH₂

Calculate the molarity of the following solution: 

30 mL of 0.5 M \[\ce{H2SO4}\] diluted to 500 mL.

Explain the ligand.

Explain the following, giving two examples:

Coordination polyhedron

Explain the following, giving two examples:

Coordination number

Explain the following, giving two examples: 

Homoleptic

Give two examples of unidentate ligands.

What is meant by didentate ligand?

Give two examples of didentate ligands.

Give two examples of ambidentate ligands.

What are interstitial compounds?

Write the differences between physisorption and chemisorption with respect to the following: 

(i) Specificity

(ii) Temperature dependence

(iii) Reversibility and

(iv) Enthalpy change

Which metal in the first transition series (3d series) exhibits + 1 oxidation state most frequently and why?