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Multiple choice

Which of the following compounds shows chromyl chloride test when heated with K2Cr2O7 and conc. H2SO4?

  1. KCI

  2. KNO3

  3. Na2SO4

  4. CuO

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

When KCl is heated with K2Cr2O7 and concentrated H2SO4, chlorine gas liberates vigorously.

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