P-Block Elements Ques 371

Question: Which one of the following hydrides is least stable

Options:

A) AsH3

B) SbH3

C) NH3

D) PH3

Show Answer

Answer:

Correct Answer: B

Solution:

NH3>PH3>AsH3>SbH3>BiH3 Stability decreases down the group because bond energy decreases down the group.



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