1
WB JEE 2016
MCQ (More than One Correct Answer)
+2
-0
Which of the following statement(s) is (are) correct when a mixture of NaCl and K2Cr2O7 is gently warmed with conc. H2SO4?
A
A deep red vapour is evolved
B
The vapour when passed through NaOH solution, gives a yellow solution
C
Chlorine gas is also evolved
D
Chromyl chloride is formed
WB JEE Subjects