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Chemistry
Chemistry
Problem
Assertion
:
PF
3
\text{PF}_3
PF
3
is stronger Lewis base than
PH
3
\text{PH}_3
PH
3
.
Reason
: l.p. of P-atom in
PF
3
\text{PF}_3
PF
3
molecule is present in
s
p
3
sp^3
s
p
3
-hybrid orbital, whereas l.p. of P-atom in
PH
3
\text{PH}_3
PH
3
is present in almost pure s-orbital.
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