Give examples of photochemical reaction with explanation ...

Asked by Singurajveer9 | 4th Jul, 2019, 10:16: AM

Expert Answer:

Chemical reactions which take place in the presence of light are called photochemical reactions.

Example:

(1) Photosynthesis is a chemical reaction in which food is prepared by green plants.

       Light is necessary for the reaction to take place.

                      

         Photosynthesis is a photochemical reaction in which the leaves of green plants prepare glucose

(2) Silver bromide when kept in the sun decomposes to form silver and bromine gas.

      begin mathsize 12px style 2 AgBr subscript left parenthesis straight s right parenthesis end subscript space rightwards arrow with Sunlight on top space 2 Ag subscript left parenthesis straight s right parenthesis end subscript space plus Br subscript 2 left parenthesis straight g right parenthesis end subscript end style (photochemical decomposition)

Answered by Ramandeep | 4th Jul, 2019, 10:56: AM

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