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Byju's Answer
Standard XII
Chemistry
Electronic Configuration
Which of the ...
Question
Which of the following is NOT changed of Xe in given reaction?
2
X
e
O
F
4
+
S
i
O
2
→
2
X
e
O
2
F
2
+
S
i
F
4
A
Hybridisation of Xe
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B
Number of d-orbital(s) is hybridisation
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C
Number of
O
−
X
e
−
F
bond angle
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D
Covalency of Xe
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Solution
The correct option is
D
Covalency of Xe
2
X
e
O
F
4
+
S
i
O
2
⟶
2
X
e
O
2
F
2
+
S
i
F
4
Covalency of
X
e
O
F
4
is 6(refer to image 01)
Covalency of
X
e
O
2
F
2
is 6(refer to image 02)
So, covalency of
X
e
is 6 which donot change.
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Similar questions
Q.
The enthalpy change for the reaction is:
X
e
F
4
⟶
X
e
+
+
F
−
+
F
2
+
F
;
Δ
H
=
?
The average
X
e
−
−
F
bond energy is
34
k
c
a
l
m
o
l
−
1
.
I
E
1
of Xe is
279
k
c
a
l
m
o
l
−
1
and electron affinity of F is
85
k
c
a
l
m
o
l
−
1
and
e
F
−
−
F
=
38
k
c
a
l
m
o
l
−
1
.
Q.
The average Xe - F bond energy is 34 kcal/mol, first I.E. of Xe is 279 kcal/mol, electron affinity of F is 85 kcal/mol and bond dissociation energy of
F
2
is 38 kcal/mol. Then, the enthalpy change for the reaction
X
e
F
4
→
X
e
+
+
F
−
+
F
2
+
F
will be
Q.
The average Xe - F bond energy is 34 kcal/mol, first I.E. of Xe is 279 kcal/mol, electron affinity of F is 85 kcal/mol and bond dissociation energy of
F
2
is 38 kcal/mol. Then, the enthalpy change for the reaction
X
e
F
4
→
X
e
+
+
F
−
+
F
2
+
F
will be
Q.
Number of non-bonding electron pairs on
X
e
in
X
e
F
6
,
X
e
F
4
and
X
e
F
2
respectively will be:
Q.
Which of the following is not formed in the reaction of Xe with
F
2
?
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