Question

Difference between photochemical and electrochemical reaction?????

Answer 1

Photochemical reaction undergoes in the presesnce of sunlight
But electrochemical reaction undergoes in the presence of electricity.

Answer 2

Answer:

photo chemical reaction

a reaction which proceed with the absorption of light energy is called a photo chemical reaction.

examples : he + cl2 which give diffused sunlight to 2hcl

electrochemical reaction

the chemical reaction which proceed with the absorption of electrical energy is called electrochemical reaction.

example : 2h2o which gives electric current to 2h2 + o2

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