Q.4 A white compound X on strong heating gave a yellow compound Y and reddish brown
fumes of gas Z. Identify X, Y, Z. Give the equation involved? State the type of reaction
observed.
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Answer:
A white compound is, lead nitrate
Brown fumes molecule is, nitrate
Yellow residue is, lead oxide
The balanced chemical reaction will be,
Explanation :
When a white compound (lead nitrate) on heating decomposes to give brown fumes of nitrate and a yellow residue of lead oxide is left behind.
The chemical equation of the reaction will be :
This reaction is a thermal decomposition reaction in which on heating the larger molecule decompose to give two or more smaller molecules. Hence, the name of the compounds are,
A white compound is, lead nitrate
Brown fumes molecule is, nitrate
Yellow residue is, lead oxide
Explanation:
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