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Byju's Answer
Standard XII
Chemistry
Periodic Properties
Bond energy o...
Question
Bond energy of different halogen molecules will lie in the sequence
C
l
2
>
B
r
2
>
F
2
>
I
2
A
True
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B
False
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Solution
The correct option is
A
True
Bond energy of
F
2
is low due to lower size of F atoms and strong repulsion between the lone pairs of two fluorine atoms.
Among other halides as size increases bond energy decreases so order is
C
l
2
>
B
r
2
>
F
2
>
I
2
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0
Similar questions
Q.
X
2
represents halogen molecule. Bond energy of different halogen molecules will lie in following sequences:
Q.
Write the Bond Energy order of :
F
2
,
C
l
2
,
B
r
2
,
I
2
Q.
Arrange the halogens
F
2
,
C
l
2
,
B
r
2
,
I
2
,
in order of their increasing reactivity with alkanes.
Q.
Consider the following orders –
(1)
F
2
>
C
l
2
>
B
r
2
>
I
2
:
boiling point
(2)
F
2
>
C
l
2
>
B
r
2
>
I
2
:
oxidizing nature
(3)
F
2
>
C
l
2
>
B
r
2
>
I
2
:
EN
(4)
F
2
>
C
l
2
>
B
r
2
>
I
2
:
BDE
(5)
F
2
>
C
l
2
>
B
r
2
>
I
2
:
EA
(6)
F
2
>
C
l
2
>
B
r
2
>
I
2
:
Reactivity
(7)
H
O
C
l
>
H
C
l
O
2
>
H
C
l
O
3
>
H
C
l
O
4
:
Acidic nature
(8)
H
O
C
l
>
H
C
l
O
2
>
H
C
l
O
3
>
H
C
l
O
4
:
Oxidizing nature
Then calculate
(
x
2
+
y
2
)
when
x
is correct order and
y
is incorrect order.
Q.
Order of reactivity towards halogenation is
F
2
>
C
l
2
>
B
r
2
>
I
2
.
State True or False.
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