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Byju's Answer
Standard XII
Chemistry
Introduction
32 Strongest ...
Question
32 Strongest B-F bond is in 1.BF4- 2.H3N->BF3 3.BF3 4.H2N-BF2
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Similar questions
Q.
Which of the following reaction(s) is/are not possible?
(i)
(
C
H
3
)
2
O
+
B
F
3
→
(
C
H
3
)
2
O
→
B
F
3
(ii)
(
S
i
H
3
)
2
O
+
B
F
3
→
(
S
i
H
3
)
2
O
→
B
F
3
(iii)
H
3
N
+
B
F
3
→
H
3
N
→
B
F
3
(iv)
(
C
H
3
)
2
O
+
B
F
−
4
→
(
C
H
3
)
2
O
→
B
F
−
4
Q.
Assertion :The bond angle in
B
F
3
is smaller than that in
B
F
4
−
. Reason:
B
F
3
has
s
p
2
−
hybridisation, whereas
B
F
4
−
has
s
p
3
−
hybridisation.
Q.
Suggest reasons why the
B
F
bond lengths in
B
F
3
(130 pm) and
B
F
4
−
(143 pm) differ.
Q.
Suggest reasons why the B–F bond lengths in BF
3
(130 pm) and
(143 pm) differ.