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A pale yellow precipitate and a gas with...

A pale yellow precipitate and a gas with pungent odour are formed on warming dilute hydrochloric acid with an aqueous solution containing

A

sulphate ion

B

sulphide ion

C

thiosulphate ion

D

sulphite ion

Text Solution

Verified by Experts

The correct Answer is:
C
`S_(2)O_(3)^(2-)+2H^(+) overset(Delta)to underset("gas pungent odour")(SO_(2))+underset("pale yellow ppt.")(S)+H_(2)O`
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