MCQ
Which oxide is least acidic
- A$P_4O_6$
- B$P_4O_{10}$
- ✓$As_4O_6$
- D$As_4O_{10}$
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Assertion $(A)$ : $\mathrm{PH}_3$ has lower boiling point than $\mathrm{NH}_3$.
Reason $(R)$ : In liquid state $\mathrm{NH}_3$ molecules are associated through vander waal's forces, but $\mathrm{PH}_3$ molecules are associated through hydrogen bonding. In the light of the above statements, choose the most appropriate answer from the options given below:
