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Byju's Answer
Standard XII
Chemistry
Dehydration of Alcohols
Which of the ...
Question
Which of the following compounds possesses both Lewis acid and Lewis base character?
A
SO
3
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B
SF
6
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C
H
2
SO
4
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D
SeF
4
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Solution
The correct option is
D
SeF
4
S
e
F
4
behaves both as Lewis acid and Lewis Base
S
e
F
4
(
L
e
w
i
s
a
c
i
d
)
+
2
F
−
→
[
S
e
F
6
]
2
−
F
4
S
e
:
(
L
e
w
i
s
b
a
s
e
)
+
B
F
3
→
[
F
4
S
e
→
B
F
3
]
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Similar questions
Q.
Which of the following compounds possesses Lewis acid character?
Q.
Which of the following pair is Lewis acid and Lewis base and Product of these is also Lewis base.
Q.
Which of the following compounds possesses Lewis acid character ?
I.
B
F
3
II.
S
i
F
4
III.
P
F
5
Select the correct answer using the codes given below.
Q.
Which of the following compound(s) can act as Lewis acid in both monomeric and dimeric form?
Q.
Consider the following statements regarding halides of
S
.
(i)
S
F
4
and
S
C
l
4
act as Lewis acid only.
(ii)
S
F
4
and
S
C
l
4
act as Lewis base only.
(iii)
S
F
4
and
S
C
l
4
act both as Lewis acid and Lewis base.
The correct option is:
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