ICSE Class 10 Chemistry 2023 Solved Paper

Choose the answer from the list which fits in the description:
$[ {\CCl}_4 {\PbO}, {\NaCl}, {\CuO}, {\NH}_4 {\CI}]$

Question : 86 of 88

Marks: +1, -0

A compound which undergoes thermal dissociation.

Solution:

${\NH}_4 {\Cl}$ : It is a sublimate compound, when heated, it undergoes decomposition reaction to give ammonia gas and hydrogen chloride gas.

{\NH}_4 {\Cl}( {\ s}) → {\NH}_3( {\g})+ {\HCl}(g)

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