Identify the principal products X, Y and Z of the following reactions : (i) P₄ + limited Cl₂ → (X) ; (ii) P₄ + excess dry Cl₂ → (Y) ; (iii) P₄ + hot conc. NaOH + H₂O → PH₃ + (Z). Select which is CORRE

Question

Identify the principal products X, Y and Z of the following reactions : (i) P₄ + limited Cl₂ → (X) ; (ii) P₄ + excess dry Cl₂ → (Y) ; (iii) P₄ + hot conc. NaOH + H₂O → PH₃ + (Z). Select which is CORRECT :

TestHub · Accepted Answer

X = PCl₃, Y = PCl₅, Z = NaH₂PO₂. PCl₃ + Cl₂ → PCl₅ (T). NaH₂PO₂ is the salt of MONObasic H₃PO₂ (F); PCl₃ hydrolyses to H₃PO₃, not H₃PO₄ (F); solid PCl₅ is ionic, [PCl₄]⁺[PCl₆]⁻ (F).

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