Q. The law of definite proportions is not applicable to nitrogen oxide because
A) Nitrogen atomic weight is not constant
B) Nitrogen molecular weight is variable
C) Nitrogen equivalent weight is variable
D) Oxygen atomic weight is variable
Explanation
(c)
Nitrogen shows variable valency and thus, have variable equivalent weight.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.