Q8 of 35 Page 42

Name the reactions taking place in the presence of sunlight? (AS1)

The decomposition reaction which occurs in the presence of sunlight is called photochemical reaction.

For example: 2AgBr → 2Ag + Br2


⇒In the above reaction, silver bromide (AgBr) decomposes to silver and bromine in sunlight.


⇒Light colour of AgBr changes to gray due to sunlight.


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