Which of the following statement(s) is/are correct when a solid mixture of and is…
CHEMISTRY · Single correct · ISC · Chemistry · Equilibrium · d- and f-Block Elements
Problem
Which of the following statement(s) is/are correct when a solid mixture of NaCl and K2Cr2O7 is gently warmed with conc. H2SO4 ?
(1) A deep red vapour is evolved
(2) The vapour when passed into NaOH solution gives a yellow solution of Na2CrO4
(3) Chlorine gas is evolved
(4) Chromyl chloride is formed