Question

Which of the following compounds is formed when a mixture of $K_2Cr_2O_7$ and NaCl is heated with cone. $H_2SO_4$ ?

• A. $CrO_2Cl_2$
• B. $CrCl_3$
• C. $Cr_2(SO_4)_3$
• D. $Na_2CrO_4$

Answer 1

Answer: (A)

$CrO_2Cl_2$

Answer 2

$\ce{K2Cr2O7 + 4NaCl + 6H2SO4 ->[Heat] 2CrO2Cl2 + 6NaHSO4 + 3H2O }$