The P Block Elements - Result Question 5
####5. Which is the correct statement for the given acids?
[2016]
(a) Phosphinic acid is a diprotic acid while phosphonic acid is a monoprotic acid
(b) Phosphinic acid is a monoprotic acid while phosphonic acid is a diprotic acid
(c) Both are triprotic acids
(d) Both are diprotic acids
Show Answer
Solution:
- (b) Phosphinic acid as shown in structure below has one $P-OH$ bond, thus, it is monobasic or monoprotic
COP(C)(=O)O
Phosphonic acid as shown in structure has two $P-OH$ bonds, thus, it is dibasic or diprotic
