Question

A colorless lead salt when heated produces a yellow residue and brown flame a)name the lead salt b)name the brown fumes c)write a chemical equation of the reaction involved

Answer 1

Hey...!!!

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The Colourless salt produces Yellow ppt.
And a Brown Flame...

a) The Salt : Lead Nitrate $Pb(NO_{3})_{2}$

b) Brown Fumes are Nitrogen Dioxide...$NO_{2}$

c) Chemical equation :

$2Pb(NO_{3} )_2 -----\ \textgreater \ 2PbO + 4NO_{2} + O_{2}$

Ppt. Formed is of Lead Oxide

That is ,

PbO

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Hope This Helps....!!!!

Answer 2

Answer:

A) Pb(NO3)2 [Read it as Pb NO3 twice]

B) Nitrogen Dioxide NCO3

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

This is your answer friend