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A salt, which on heating with conc. H(2)...

A salt, which on heating with conc. `H_(2)SO_(4)` gives violet vapour is

A

Iodide

B

Nitrate

C

Sulphate sulphar

D

Bromide//iodide respectively with dil. `HPO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`Kl + underset("Conc.")(H_(2)SO_(4)) overset(Å)(rarr) KHSO_(4) + Hl`
Conc. `H_(2)SO_(4) + 2Hl rarr 2H_(2)O + underset("vapour")underset("Violet")(I_(2)) + SO_(2) uarr`
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