Q. The number of hydrogen atom(s) attached to phosphorus atom in hypophorus acid is ?
A) Three
B) One
C) Two
D) Zero
Explanation
(c)
Hypophosphorus acid($H_{3}\ PO_{2}$ ) is amonobasic acid and has only one ionisable H two Hatoms are directly attached to phosphorus thus the correct statement is ( c).
[image:7_image54.emf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.