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  • Chromyl chloride test is performed for the confirmation of the presence of the following in a mixtureOption: 1 Sulphate ions<div class=

Chromyl chloride test is performed for the confirmation of the presence of the following in a mixture

Option: 1

Sulphate ions


Option: 2

Chromium ions


Option: 3

Chloride ions


Option: 4

Chromium ions and chloride ions


Answers (1)

best_answer

As we have learnt, 

Chromyl chloride is a confirmatory test for chloride ion wherein ionic chlorides react with potassium dichromate in the presence of sulphuric acid to form orange red vapors of chromyl chloride.

The reaction is given below

\mathrm{4 NaCl + K _{2} Cr _{2} O _{7}+6 H _{2} SO _{4} \longrightarrow 2 KHSO _{4}+\underset{Chromyl\ Chloride}{2 CrO _{2} Cl _{2}}+4 NaHSO _{4}+3 H _{2} O}

Hence, the correct answer is Option (3)

Posted by

Gautam harsolia

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