Question

A metal nitrate "A"on heating gives yellowish brown clo

Answer 1

heya!
here's your answer!
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➡ the metal nitrate is a salt which gives yellowish brown colour on heating

➡ a crackling sound is heard and the salt decripitates

➡it is necessary to know that lead oxide has a yellowish brown colour on heating

➡ brown fumes may also come out from the test tube

➡since the salt is a nitrate - the name of the salt is lead nitrate
i.e. Pb(NO)3

and the above reaction is:-

Pb(NO)3 -------> PbO + NO2 + O2 ⬆

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AnviGottlieb
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