1.

The given electronic configuration of C in excited state This configuration can form

Answer»

TWO `PI` bond only
One `sigma`-bond and three `pi`-bonds
Two `sigma` bond and two `pi`-bond
Two `sigma` bond only

Solution :`H overset(sigma)(-) underset(underset(sp)(uarr))(C )underset(uarr)(-=) underset(underset(sp)(uarr))(C)-H`
Two `sigma` and two `pi` bonds


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