JEE Mains · Chemistry · STD 12 - p -Block elements - ll
Reaction of thionyl chloride with white phosphorus forms a compound \([ A ]\), which on hydrolysis gives \([B]\), a dibasic acid.\([A]\) and \([B]\) are respectively
- A \(P _4 O _6\) and \(H _3 PO _3\)
- B \(PCl _3\) and \(H _3 PO _3\)
- C \(PCl _5\) and \(H _3 PO _4\)
- D \(POCl _3\) and \(H _3 PO _4\)
Answer & Solution
Correct Answer
(B) \(PCl _3\) and \(H _3 PO _3\)
Step-by-step Solution
Detailed explanation
\(P _4+8 SOCl _2 \rightarrow 4 PCl _3+4 SO _2+2 S _2 Cl _2\) \(PCl _3+3 H _2 O \rightarrow H _3 PO _3+3 HCl\)
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