Question

write one equation each for decomposition reaction where energy is supplied in the form of heat light and electricity?

Answer 1

ANSWER:--

◆ DECOMPOSITION REACTION:- The reaction in which a single substance decomposes to give two or more substances is called Decomposition Reaction.

◆ There are three types of decomposition reaction

● Thermal Decomposition
● Electrolytic Decomposition
● Sunlight Decomposition

1. Thermal Decomposition:- When the decomposition reaction carried by heat is called thermal decomposition.

example = 2FeSO4 ---- Fe2O3 + SO2 + SO3

2. Electrolytic Decomposition:- When the decomposition reaction carried by electricity is called electrolytic decomposition.

Example = H2 --- 2H2 + O2

3. Sunlight Decomposition:- When the decomposition reaction carried by sunlight is called sunlight decomposition.

Example = 2Ag Br ---- 2Ag + Br2


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