Chemistry - Complete P-block Question with Solution | TestHub
ChemistryComplete P-blockp-Block 15,16Medium2 minQB
ChemistryMediummultiple choice
Consider the following sequence of reactions: 
If oxidation number of phosphorous is higher in [S] as compared to [R] then select correct option(s).
Options:(select one or more)
Answer:
B, C
Solution:
(P₄)ₙ Red-P →(NaOH, NaOCl/NaClO₂) Na₂H₂P₂O₆ [P];
[P] →(acid) H₄P₂O₆ [Q];
[Q] + H₂O → H₃PO₃ [R] + H₃PO₄ [S], a disproportionation.
P is +5 in [S], +3 in [R].
Correct: (B), (C).
Stream:JEESubject:ChemistryTopic:Complete P-blockSubtopic:p-Block 15,16
⏱ 2mℹ️ Source: QB
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