JEE PYQ: P Block Elements Question 25
Question 25 - 2020 (03 Sep Shift 1)
In a molecule of pyrophosphoric acid, the number of P$-$OH, P$=$O and P$-$O$-$P bonds/moiety(ies) respectively are:
(1) 2, 4 and 1
(2) 3, 3 and 3
(3) 4, 2 and 0
(4) 4, 2 and 1
Show Answer
Answer: (4)
Solution
Pyrophosphoric acid structure has: No. of P$=$O bond $= 2$. P$-$OH bond $= 4$. P$-$O$-$P bond $= 1$.