The number of P=O bonds present in the tetrabasic acid H₄ P₂ O₇ is: · ABC26IN0703
Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Easy
The number of $\mathrm{P}=\mathrm{O}$ bonds present in the tetrabasic acid $\mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{7}$ is:
(a)Three
(b)Two
(c)One
(d)None
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
Pyrophosphoric acid (HO)₂P(O)–O–P(O)(OH)₂ has one P=O on each phosphorus: two P=O bonds and four acidic OH.
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