Question

An aqueous solution of metal nitrate „P‟ reacts with sodium bromide solution to form yellow precipitate compound „Q‟ which is used in photography.
„Q‟ on exposure to sunlight undergoes decomposition reaction to form metal present in along with a reddish brown gas. Identify „P‟ and „Q‟.

Write balanced chemical equation for the chemical reaction.

List two categories in which this reaction can be classified.

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Answer 1

Explanation:

An aqueous solution of metal nitrate P reacts with sodium bromide solution to form yellow PPT of compound Q which is used in photography .Q on exposure to sunlight undergoes decomposition reaction to form metal present in P along with reddish brown gas. identify Pand Qand write the chemical reaction and type of chemical reaction