Arrange the following hydrides in the decreasing order of their basicities: NH3,AsH3,SbH3,BiH3 and PH3
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
NH3>AsH3>SbH3>BiH3>PH3
b
NH3>PH3>AsH3>SbH3≥BiH3
c
BiH3>SbH3>AsH3>PH3≥NH3
d
PH3>BiH3>SbH3>AsH3>NH3
answer is B.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
The decreasing order of the basicities is NH3>PH3>AsH3>SbH3≥BiH3This is because tendency to give lone pair decreases as the size of element of group - 15 increases.