Which of the following reagents will give white precipitate with the aqueous solution of sulphurous acid?
A
BaCl2
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B
HCl
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C
NaCl
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D
KCl
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Solution
The correct option is CBaCl2 Barium chloride BaCl2 will give white precipitate with the aqueous solution of sulphurous acid BaCl2+H2SO3→BaSO3↓(whiteppt)+2HCl