JEE PYQ: P Block Elements Question 66
Question 66 - 2019 (09 Jan Shift 2)
Good reducing nature of $\text{H}_3\text{PO}_2$ is attributed to the presence of:
(1) Two P $-$ OH bonds
(2) One P $-$ H bond
(3) Two P $-$ H bonds
(4) One P $-$ OH bond
Show Answer
Answer: (3)
Solution
Structure of $\text{H}_3\text{PO}_2$: It has two P$-$H bonds. Greater the number of P$-$H bonds present in the acid, greater will be its reducing property.