(a) Define molar conductivity of a solution and explain how molar conductivity changes with a change in concentration of solution for a weak and a strong electrolyte.

(b) The resistance of a conductivity cell containing 0.001 M KCl solution at 298 K is Ω 1500 . What is the cell constant if the conductivity of 0.001 M KCl solution at 298 K is 0.146x10^-3 S cm^-1?

(a) Complete the following chemical reactions equations:

(i) P₄+SO₂Cl₂ -->

(ii) XeF₆+H₂O -->

(b) Predict the shape and the asked angle (90° or more or less) in each of the following cases:

 (i)  and the angle O - S - O

(ii) ClF₃ and the angle F - Cl - F

(iii) XeF₂ and the angle F - Xe - F

Complete the following chemical equations:

(i) NaOH+Cl₂ -->

(ii) XeF₄+O₂F₂--->

(b) Draw the structures of the following molecules:

(i) H₃PO₂

(ii) H₂S₂O₇

(iii) XeOF₄

Give the IUPAC name of the following compound.

Draw the structural formula of a 2-methylpropan-2-ol molecule.

26.

Arrange the following compounds in an increasing order of their reactivity in nucleophilic addition reactions: ethanol, propanal, propanone, butanone.

 

Define the term, ‘homopolymerisation’ giving an example.

What is meant by (i) peptide linkage (ii) biocatalysts?

Write any two reactions of glucose which cannot be explained by the open chain structure of glucose molecule.

Draw the structure of the monomer for each of the following polymers:

(i) Nylon 6

(ii) Polypropene