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Synthesis of Phenols-I

Which of the ...

Question

Which of the following ion gives a suffocating gas when treated with dilute $H C l$ ?

A

Carbonate

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B

Sulphite

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C

Sulphate

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D

Borate

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Solution

The correct option is B Sulphite
A suffocating gas $S O_{2}$ is produced, when treated with dilute $H C l$ / $B a S O_{3} + 2 H C l \to B a C l_{2} + S O_{2} + H_{2} O$

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Synthesis of Phenols-I

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