Question

1)Define: Thermal decomposition reaction, Photodecomposition reaction, Electrolysis giving

example

2). Consider the following reaction: X + Barium chloride  Y + sodium chloride;

a) Identify X & Y b) type of reaction

3). Write balanced equation for photosynthesis.

4). State the type of chemical reaction: a) Magnesium wire is burnt in air b) ammonia &

hydrogen chloride gas are mixed

5). Write the essential condition for the photolysis or photodecomposition reaction giving

example

6). 2 gm of ferrous sulphate is burnt in air in dry tube: a) Name the type of reaction b) write

balance chemical equation for the same

7). Write the balanced equation for the following: Phosphorous burns in presence of chlorine

gas to form phosphorous pent chloride.

Answer 1

the reaction in which take heat is included is called thermal reaction