When a mixture of NaCl and KCl is heated with cone. (H\_2SO\... | Chemistry | SolveeIt | Solveeit

Today, August 18

Question

When a mixture of NaCl and KCl is heated with cone. $H_2SO_4$ and $K_2Cr_2O_7$ . The red gas obtained is

A

Chromic chloride

B

Chromyl chloride

C

Chromium (III) sulphate

D

Chromic anhydride

Answer

Chromyl chloride

Explanation

Solution

${4NaCl + K_2Cr_2O_7 + 6H_2SO_4 -> 4NaHSO_4 + 2KHSO_4 + 3H_2O +$ \underset{\mathrm{Chromyl}}{ {2CrO_2Cl_2}} $}$ chloride gas