TS EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
Among the hybrides \(\mathrm{NH}_3, \mathrm{PH}_3\) and \(\mathrm{BiH}_3\), the hybride with highest boiling point is X and the hybride with lowest boiling point is Y . What are X and Y respectively?
- A \(\mathrm{PH}_3, \mathrm{NH}_3\)
- B \(\mathrm{NH}_3, \mathrm{PH}_3\)
- C \(\mathrm{BiH}_3, \mathrm{PH}_3\)
- D \(\mathrm{NH}_3, \mathrm{BiH}_3\)
Answer & Solution
Correct Answer
(C) \(\mathrm{BiH}_3, \mathrm{PH}_3\)
Step-by-step Solution
Detailed explanation
Order of boiling point of hydride of nitrogen family \(\mathrm{PH}_3 \lt \mathrm{AsH}_3 \lt \mathrm{NH}_3 \lt \mathrm{SbH}_3 \lt \mathrm{BiH}_3\) B.P. highest X is \(\mathrm{BiH}_3\) B.P. lowest Y is \(\mathrm{PH}_3\)
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