Question

- Compound (A) undergoes a chemical change. Compound (A)gives following products.
(i) Yellow coloured substance
(ii) A gas with reddish brown fumes
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Answer 1

Answer:

The chemical name of compound will be Lead nitrate Pb(NO3)2.  

Explanation :

The compound upon warming produces dark - colored fumes. This infers the compound contains nitrate particle. This compound can be any nitrate however in the event that the residue after warming is yellow in color infers that the compound is lead nitrate.  

The condition included can be appeared:  

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

Colorless Yellow Brown fumes.