Q.

Is it true that photochemical decomposition occurs in the presence of sunlight?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
A reaction in which a single reactant breaks down to form two or more products is the decomposition reaction. Photolysis or photochemical decomposition is one such reaction. These reactions utilize light energy to cause decomposition. For example, under sunshine, silver (Ag) and bromine (Br) are produced when silver bromide (AgBr) decomposes. Silver bromide's bright color becomes gray when exposed to sunshine. Hence, the given statement is true.
 
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