P-Block Elements Ques 329
Question: The number of hydroxyl group in pyrophosphoric acid is
[KCET 1993]
Options:
A) 3
B) 4
C) 5
D) 7
Show Answer
Answer:
Correct Answer: B
Solution:
$ H_4P_2O_7 $ $ \underset{Tetrabasic}{\mathop{HO-\underset{\underset{OH}{\mathop{|}}}{\overset{\overset{O}{\mathop{||}}}{\mathop{P}}}-O-\underset{\underset{OH}{\mathop{|}}}{\overset{\overset{O}{\mathop{||}}}{\mathop{P}}}-OH}} $ $ 4-OH $ group are present.
