The species isoelectronic with `C_2H_4` is
The species isoelectronic with `C_2H_4` is
A. `CN^-`
B. `O_2^+`
C. `O_2`
D. `N_2^+`
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Correct Answer - C
`C_2H_4` has 2 x 6 + 1 x 4=16 electrons. `O_2` has 2 x 8=16 electrons.
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