1.

Which of the following compounds contain all the carbon atoms in the same hybridisation state ?A. `H-C -= C-C-=C-H`B. `CH_(3)-C-=C-CH_(3)`C. `CH_(2)=C=CH_(2)`D. `CH_(2)=CH-CH=CH_(2)`

Answer» Correct Answer - A::D
(a) `H - overset(sp)(C) -=overset(sp)(C)-overset(sp)(C)-=overset(sp)(C)-H` (b) `overset(sp^(3))(C)H_(3)-overset(sp)(C)-=overset(sp)(C)-overset(sp^(3))(C)H_(3)`
(c) `overset(sp^(2))(C)H_(2)=overset(sp)(C)=overset(sp^(2))(C)H_(2)` (d) `overset(sp^(2))(C)H_(2) =overset(sp^(2))(C)H-overset(sp^(2))(C)H = overset(sp^(2))(C)H_(2)`


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