MCQ
The set of coefficients of ${P_4},\,O{H^\Theta }$ and ${H_2}PO_2^\Theta $ in the reaction ${P_4} + O{H^\Theta } \to P{H_3} + {H_2}PO_2^\Theta $ is
- A$2, 3, 3$
- B$2, 4, 4$
- ✓$1, 3, 3$
- D$2, 5, 3$
✓
Answer
Correct option: C.
$1, 3, 3$
c
In the reaction $\mathrm{P}_{4}+\mathrm{NaOH} \rightarrow \mathrm{PH}_{3}+\mathrm{NaH}_{2} \mathrm{PO}_{2},$ mole ratio of $\mathrm{NaH}_{2} \mathrm{PO}_{2}$ and $\mathrm{PH}_{3}$ is 3.
In the reaction $\mathrm{P}_{4}+\mathrm{NaOH} \rightarrow \mathrm{PH}_{3}+\mathrm{NaH}_{2} \mathrm{PO}_{2},$ mole ratio of $\mathrm{NaH}_{2} \mathrm{PO}_{2}$ and $\mathrm{PH}_{3}$ is 3.
The balanced chemical reaction is as given below.
$\mathrm{P}_{4}+3 \mathrm{NaOH}+3 \mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{PH}_{3}+3 \mathrm{NaH}_{2} \mathrm{PO}_{2}$
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