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Standard X
Chemistry
Lewis Dot Structure
33. Which of ...
Question
33. Which of the following pairs will not form a coordinate covalent bond with each other ? 1.NH_3 & BF_3 2.AlCl_3 & AlCl_3 3.CH_4 & AlCl_3 4.BF_3 & HF
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Similar questions
Q.
Which of the following Lewis acid – base interactions are associated with the further involvement of d-orbitals?
i)
S
b
F
5
+
H
F
→
H
+
[
S
b
F
6
]
−
ii)
N
H
3
+
B
F
3
→
H
3
N
B
F
3
iii)
A
l
C
l
3
+
C
l
−
→
A
l
C
l
−
4
iv)
S
F
4
+
F
−
→
[
S
F
5
]
−
Q.
N
H
3
a
n
d
B
F
3
form an adduct as they form:
Q.
Identify compounds in which the central atom has incomplete octet.
B
F
3
,
A
l
C
l
3
,
G
a
C
l
2
,
M
g
C
l
2
,
B
e
C
l
2
Q.
Number of coordinate bonds, which are formed, when
A
l
C
l
3
dimerises is/are:
Q.
Which of the following Lewis acid – base interactions are associated with the further involvement of d-orbitals?
i)
S
b
F
5
+
H
F
→
H
+
[
S
b
F
6
]
−
ii)
N
H
3
+
B
F
3
→
H
3
N
B
F
3
iii)
A
l
C
l
3
+
C
l
−
→
A
l
C
l
−
4
iv)
S
F
4
+
F
−
→
[
S
F
5
]
−
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