A metal nitrate A on heating gives yellowish brown colored metal oxide along with brown gas B and a colorless gas C. Aqueous solution of A on reaction with potassium iodide forms a yllow precipitate of copound C. Identify A,B,C,D. Also identify types of both the reactions. Metal present in A is used in alloy which is used for soldering purposes.
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a=Pb(NO3)2
b=NO2
c=O2 c=PbI2(yellow precipitate)
1 reaction is decomposition
2 is double displacement
b=NO2
c=O2 c=PbI2(yellow precipitate)
1 reaction is decomposition
2 is double displacement
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