JEE Mains · Chemistry · STD 12 - p -Block elements - ll
The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two \(P-H\) bonds, is
- A Phosphonic acid
- B Phosphinic acid
- C Pyrophosphorus acid
- D Hypophosphoric acid
Answer & Solution
Correct Answer
(B) Phosphinic acid
Step-by-step Solution
Detailed explanation
\(P _{4}+3 NaOH +3 H _{2} O \rightarrow PH _{3}+3 NaH _{2} PO _{2}\) oxoacid \(= H _{3} PO _{2}\) (hypo phosphorus acid) or (phosphinic acid)
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