1.

In the Newman projection for `2,2`- dimethylbutane `X` and `Y` can, respectively, beA. `H` and `H`B. `H` and `C_(2)H_(5)`C. `C_(2)H_(5)` and `H`D. `CH_(3)` and `CH_(3)`

Answer» Correct Answer - B::D
`H_(3)underset(4)(C)-underset(3)(C)H_(2)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C_(2))-underset(1)(C)H_(3)`
On `C_(2)-C_(3)` bound axis,
`X=CH_(3)`
`Y=CH_(3)`
On `C_(1)-C_(2)` bond axis,
`X=H`
`Y=C_(2)H_(5)`


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