First slide

Oxoacids of Halogens

Question

Chlorous acid is prepared by the action of

Moderate

A

$Ba {(ClO)}_{2} + HCl$
B

${BaSO}_{4} + HCl$
C

${BaCl}_{2} + H_{2} {SO}_{4}$
D

$Ba {(ClO)}_{2} + H_{2} {SO}_{4}$

Solution

$Ba {({ClO}_{2})}_{2} + H_{2} {SO}_{4} \to {BaSO}_{4} + 2 {HClO}_{2}$

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