AP EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
The correct order of boiling points of hydrides of \(15^{\text {th }}\) group elements is
- A \(\mathrm{PH}_3 < \mathrm{AsH}_3 < \mathrm{NH}_3 < \mathrm{SbH}_3 < \mathrm{BiH}_3\)
- B \(\mathrm{PH}_3 < \mathrm{AsH}_3 < \mathrm{SbH}_3 < \mathrm{NH}_3 < \mathrm{BiH}_3\)
- C \(\mathrm{PH}_3 < \mathrm{AsH}_3 < \mathrm{SbH}_3 < \mathrm{BiH}_3 < \mathrm{NH}_3\)
- D \(\mathrm{BiH}_3 < \mathrm{SbH}_3 < \mathrm{AsH}_3 < \mathrm{PH}_3 < \mathrm{NH}_3\)
Answer & Solution
Correct Answer
(A) \(\mathrm{PH}_3 < \mathrm{AsH}_3 < \mathrm{NH}_3 < \mathrm{SbH}_3 < \mathrm{BiH}_3\)
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