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In the Newman projection for 2,2-dimethy...

In the Newman projection for 2,2-dimethylbutane

X and Y can respectively be

A

H and H

B

H and `C_2H_5`

C

`C_2H_5` and H

D

`CH_3` and `CH_3`

Text Solution

Verified by Experts

The correct Answer is:
B, D
The structure of 2,2-dimethylbutane is `overset1CH_3-undersetunderset(CH_3)|oversetoverset(CH_3)|(.^2C)-overset3CH_2-overset4CH_3`
Taking `C_3` as the front carbon and looking through `C_3-C_2` bond, the Newman projection of 2,2-dimethylbutane is as shown .

Therefore, X=`CH_3` and Y=`CH_3` and hence option (d) is correct.
Now look through `C_1-C_2` bond taking `C_1` as the front carbon, the Newman projection of 2,2-dimethylbutane is as shown.

Therefore, X=H and `Y=C_2H_5` and hence option (b) is correct.
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