A white salt on heating decomposes to give brown fumes and a residue is left behind.
Name the salt.
Write the equation for the decomposition reaction

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Solution

Name of the salt - Lead Nitrate ( $2 Pb {({NO}_{3})}_{2} (s)$ )
$\underset{white salt}{2 Pb {({NO}_{3})}_{2} (s)} \overset{∆}{\to} \underset{yellow residue}{2 PbO (s)} + \underset{brown gas}{4 {NO}_{2} (g}) + O_{2} (g)$

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