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Strong and Weak Acids and Bases

A salt ion gi...

Question

A salt ion gives violet vapours when treated with concentrated sulphuric acid, means :

A

salt contains chloride

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B

salt contains iodide

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C

salt contains bromide

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D

None of the above

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Solution

The correct option is B salt contains iodide
Iodine produces violet colour when it reacts with conc. sulphuric acid. therefore salt contains iodide ion.

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