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An aqueous solution of metal nitrate …

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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 P &Q. Write the chemical reaction & type of chemical reaction
  • 2 answers

Adithya Dev A 4 years, 5 months ago

Fist reaction is double displacement and second reaction is thermal decomposition.

Adithya Dev A 4 years, 5 months ago

P = Silver (Ag). Q = Silver Bromide (AgBr)..... AgNO3 + NaBr ----> AgBr + NaNO3..... For black and white photography ===> 2AgBr --Δ--> 2Ag + Br2.
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