JEE Mains Model Paper 18

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Question : 32 of 90

Marks: +1, -0

Which of the following statement (s) is (are) correct when a mixture of NaCl and K2Cr2O7 is gentlywarmed with Conc. H2SO4 ?

Deep red vapour is evolved
The vapour when passed into NaOH solution gives a yellow solution of Na2Cr2O4.
Chromyl chloride is formed
All of these

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