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Byju's Answer
Standard XII
Chemistry
Orthoboric Acid
Which of the ...
Question
Which of the followings are Lewis acids?
H
2
O
,
B
F
3
,
H
+
,
and
N
H
+
4
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Solution
B
F
3
,
H
+
and
N
H
+
4
are Lewis acids whereas
H
2
O
is a lewis base.
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Similar questions
Q.
Which of the following are Lewis Acids? Why?
(i) H2O
(ii) BF3
(iii) H+
(iv) NH4+
Q.
Find the number of molecules(s)/ion having Lewis acidic property from the following:
H
2
O
,
N
H
3
,
H
+
,
B
F
3
,
A
l
H
3
,
¯
C
N
,
¯
C
H
3
Q.
Classify the following into Lewis acids and Lewis bases:
(a)
H
2
O
(b)
N
H
3
(c)
H
+
(d)
B
F
3
(e)
A
I
H
3
(f)
R
O
H
(g)
C
H
3
N
H
2
(h)
C
N
−
(i)
+
C
H
3
Lewis acids : (c), (d), (e), (i)
Lewis bases : (a), (b), (f), (g), (h)
If true enter 1, else enter 0.
Q.
Classify the following species as Lewis acids and Lewis bases.
N
H
3
,
B
F
3
,
S
n
C
I
4
,
C
2
H
5
N
H
2
,
C
O
,
N
i
+
Q.
According to Lewis concept
B
F
3
acts as a Lewis acid, which is:
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