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Q.

The reaction of elemental P₄ in aqueous NaOH gives

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a

${PH}_{3}, {NaH}_{2} {PO}_{2}$

b

${NaH}_{2} {PO}_{4}, {Na}_{3} {PO}_{4}$

c

${Na}_{3} P, {Na}_{3} {PO}_{4}$

d

${PH}_{3}, {Na}_{3} {PO}_{4}$

answer is A.

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Detailed Solution

The reaction of elemental P₄ in aqueous NaOH gives phosphine PH₃ and sodium hypophosphite NaH₂PO₂.
P₄+3NaOH+3H₂O⟶3NaH₂PO₂+PH₃

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The reaction of elemental P4 in aqueous NaOH gives