MCQ
Impure phosphine is combustible due to presence of
- ✓$P_2H_4$
- B$N_2$
- C$PH_5$
- D$P_2O_5$
✓
Answer
Correct option: A.
$P_2H_4$
a
When pure, $PH_3$ is nonflammable but becomes inflammable owing to the presence of $P_2H_4$ or $P_4$ vapours
When pure, $PH_3$ is nonflammable but becomes inflammable owing to the presence of $P_2H_4$ or $P_4$ vapours
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