The compound that will produce sulphur ...

ICSE Class 10 Chemistry 2023 Paper

Choose the substances given in the box below to answer the following questions:

Iron	Magnesium	Zinc	Sodium sulphide
Lead	Ferric chloride	Copper	Ferroussulphate

Question : 65 of 88

Marks: +1, -0

The compound that will produce sulphur dioxide gas when reacted with dilute HCI.

Solution:

Magnesium sulphite.

Dil. HCl. decomposes salts of weak acid, and form sulphurdioxide gas.

\mathrm{MgSO}_3 + 2 \mathrm{HCl} \rightarrow \mathrm{MgCl}_2 + \mathrm{H}_2\mathrm{O}

+ \mathrm{SO}_2 \uparrow

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