Question

a metal nitrate which produces a brown gas on heating and the residue is yellow when hot , white when cooled.​

Answer 1

Answer:

potassium nitrate is produce brown gas on heating and reduce in yellow.

Answer 2

Answer:

Lead Nitrate - Pb(NO3)

Explanation:

2Pb(NO3)2-----------> 2PbO + 4NO2 + O2

When Lead nitrate is heated it decomposes into Lead oxide, Nitrogen dioxide (which is a brown gas) and oxygen. Lead oxide shows yellow precipitate.

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