Question

the reverse of a photochemical reaction is called

Answer 1

The reverse of photochemical reaction is called Quenching when a photoexited state is deactivated by a chemical reagent

Answer 2

Hey there

● Answer -
Chemiluminescence

● Photochemical reaction -
- Photochemical reaction is a chemical reaction initiated by the absorption of energy in the form of light.

● Chemiluminescence -
- It's opposite to photochemical reaction.
- Quenching is the phenomenon of emission of light as a result of chemical change at a temperature at which a black body does not emit visible light.
- In short, chemical reaction causes emmisison of energy.

Hope it helps...