Which of the following has double bond and both the bonds are π-bonds?
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a
N2
b
O2
c
C2
d
F2
answer is C.
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Detailed Solution
C2Z=6: σ1s2, σ*1s2, σ2s2, σ*2s2, σ2px2=π2py2 B.O.=128-4=2C2 has last 4 electrons for double bond in π-orbitals. hence C2 has double bond made of two π-bonds.