Which of the following is the correct order for increasing bond angle ? (a) \( \mathrm{NH}_{3}\m...

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Which of the following is the correct order for increasing bond angle ?
(a) \( \mathrm{NH}_{3}\mathrm{PH}_{3}\mathrm{AsH}_{3}\mathrm{SbH}_{3} \)
(b) \( \mathrm{H}_{2} \mathrm{O}\mathrm{OF}_{2}\mathrm{Cl}_{2} \mathrm{O} \)
(c) \( \mathrm{H}_{3} \mathrm{Te}^{+}\mathrm{H}_{3} \mathrm{Se}^{+}\mathrm{H}_{3} \mathrm{~S}^{+}\mathrm{H}_{3} \mathrm{O}^{+} \)
(d) \( \mathrm{BF}_{3}\mathrm{BCl}_{3}\mathrm{BBr}_{3}\mathrm{BI}_{3} \)
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