Q. Which of the following pairs is obtained on heating ammonium dichromate?

A) N_{2} and H_{2}O
B) N_{2}O and H_{2}O
C) NO_{2} and H_{2}O
D) NO and NO_{2}
Explanation

(a)
Ammonium dichromate on heating gives nitrogen, chromic oxide and water.
(NH_{4})_{2}Cr_{2}O_{7}$\ \overset{\mathrm{\Delta}}{\rightarrow}$N_{2} + Cr_{2}O_{3} + 4H_{2}O

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.