Ask Questions, Get Answers


On heating a mixture of potassium dichromate and sodium chloride with concentrated sulphuric acid in a dry test tube, the compound formed

(a) Chromium chloride
(b) Chromyl chloride
(c) Chlorice dioxide
(d) Chromic acid

1 Answer

Answer: Chromyl chloride
$4NaCl(s) + K_2Cr_2O_7(s) + 3H_2SO_4(l) \overset{\Delta}{\longrightarrow} $
$K_2SO_4 \text{{Potassium sulphate}} + 2NaSO_4 \text{{Sodium sulphate}} + 2CrO_2Cl_2 \text{{Chromyl chloride, Orange red}} + 3H_2O$
answered Jan 28, 2014 by mosymeow_1
edited Jan 28, 2014

Related questions