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Byju's Answer
Standard XII
Chemistry
Electronegativity and Hybridisation
Which is more...
Question
Which is more strong bond - Pπ - pπ. Or dπ - dπ ?
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Solution
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Similar questions
Q.
If
I
1
=
∫
π
/
2
0
cos
(
sin
x
)
d
x
,
I
2
=
∫
π
/
2
0
sin
(
cos
x
)
d
x
and
I
3
=
∫
π
/
2
0
cos
x
d
x
,
then which of the following is true?
Q.
Prove that
∫
π
/
2
0
l
n
(
sin
x
)
d
x
=
∫
π
/
2
0
l
n
(
c
o
s
x
)
d
x
=
∫
π
/
2
0
l
n
(
s
i
n
2
x
)
d
x
=
−
π
2
.
l
n
2
.
Q.
Assertion :The value of
∫
π
0
x
f
(
sin
x
)
d
x
is
π
2
∫
π
0
f
(
sin
x
)
d
x
or
π
∫
π
/
2
0
f
(
sin
x
)
d
x
Reason:
∫
a
0
f
(
x
)
d
x
=
∫
a
0
f
(
a
−
x
)
d
x
and
∫
2
a
0
f
(
x
)
d
x
=
2
∫
a
0
f
(
x
)
d
x
If
f
(
2
a
−
x
)
=
f
(
x
)
Q.
Assertion:
σ
is strong while
π
is a weak bond.
Reason : Atoms rotate freely about
π
bond.
Q.
If
∫
π
2
0
c
o
s
(
x
)
d
x
=
a
t
h
e
n
∫
π
0
c
o
s
(
x
)
d
x
is equal to -
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