JEE Mains · Chemistry · STD 12 - p -Block elements - ll
The number of \(P-OH\) bonds and the oxidation state of phosphorus atom in pyrophosphoric acid \((H_4P_ 2O_7)\) respectively are
- A four and four
- B five and four
- C five and five
- D four and five
Answer & Solution
Correct Answer
(D) four and five
Step-by-step Solution
Detailed explanation
Oxidation state : Each \(P\) atom is bound to one oxygen \(=-\,1\) \(2OH=-\,1\times 2\,=\,-\,2\) \(1\) oxygen \(-\,2\) Total \(=\,-\,5\) \(P\,=\,+5\)
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