Q. The reaction of $K_{2}Cr_{2}O_{7}$ with NaCl and conc $H_{2}SO_{4}$ gives
A) $CrO_{2}Cl_{2}$
B) $Cr_{2}O_{3}$
C) $CrCl_{3}$
D) $CroCl_{2}$
Explanation
(a)
$NaCl + H_{2}SO_{4} + K_{2}Cr_{2}O_{7} \rightarrow CrO_{2}Cl_{2} + K_{2}{SO}_{4} + {Na}_{2}{SO}_{4}$
chromyl chloride
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.