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A white compound on heating decomposes …

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A white compound on heating decomposes to give brown fumes and a yellow residue is left behind . Name the compound . Write the chemical equation of the reaction stating it's type ?

Posted by Jahanvi Choudhary 8 years, 5 months ago

CBSE > Class 10 > Science

1 answers

Payal Singh 8 years, 5 months ago

The chemical name of white compound is Lead nitrate Pb(NO₃)₂.

The compound on heating produces brown fumes. This implies that it contains nitrate ion. This can be any nitrate but if the residue left after heating is yellow in colour implies that it is lead nitrate.

The type of reaction is decomposition which is shown as:

2Pb(NO₃)₂ → 2PbO + 4NO₂ + O₂

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