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Chemistry
Chemistry
Problem
A : tetracyanomethane B : carbondioxide C : benzene D : 1, 3-buta-di-ene Ratio of
σ
\sigma
σ
and
π
\pi
π
bonds is in order : a.
A
=
B
<
C
<
D
A = B < C < D
A
=
B
<
C
<
D
b.
A
=
B
<
D
<
C
A = B < D < C
A
=
B
<
D
<
C
c.
A
=
B
=
C
=
D
A = B = C = D
A
=
B
=
C
=
D
d.
C
<
D
<
A
<
B
C < D < A < B
C
<
D
<
A
<
B
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