Question

what is decomposition reaction​

Answer 1

Answer:

A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances. The general form of a decomposition reaction is: AB→A+B. Most decomposition reactions require an input of energy in the form of heat, light, or electricity.

Answer 2

Decomposition Reaction :-

• A reaction in which a single reactant breaks down to give two or more products is known as a decomposition reaction.

• On heating, red mercuric oxide decomposes to form mercury and oxygen.

• The mercury vapourises and precipitates on the sides of the test tube giving the appearance of a silver mirror.

• $\sf 2hgo \: \implies 2hg + {o}{2}$