TS Inter 2nd Year Chemistry Guess Paper 2025

1

What is the vulcanisation of rubber?

2

What are the different types of absorption? Give any 4 differences between characteristics of these 4 types.

3

What is the molecularity of a reaction how is different from the order of a reaction? Name one bimolecular and one trimolecular gaseous reaction.

4

Give the composition of the following alloys. a) Bronze b) Brass c) German Silver

5

Explain Werner’s theory of coordination compounds with suitable examples.

6

Write the following named reactions with one example for each. a) Williamson’s synthesis b) Reimer - Tiemann reaction c) Carbylamine reaction d) Kolbe reaction

7

What are antibiotics? Give an example.

8

What are hormones? Give an example for each of the following a) Steroid Hormone b) Polypeptide hormones c) Amino acid derivates

9

Give a detailed account of the collision theory of reaction rates of bimolecular gaseous reactions.

10

What is matte? Give its composition

11

What is the relative lowering of vapour pressure? How is it useful to determine the molar mass of the solute?

12

How is nitric acid manufactured by Ostwald’s process?

13

What are the differences between a soap and a synthetic detergent?

14

What are essential and non-essential amino acids? Give one example for each.

15

Explain the following named reactions. a) Esterifications b) Friedal crafts alkylations

c) Friedal crafts acylations b) Wurtz reactions