Organic Chemistry Basics 2 Question 54
54. In the Newman’s projection for 2,2-dimethylbutane
$X$ and $Y$ can respectively be
(2010)
(a) $\mathrm{H}$ and $\mathrm{H}$
(b) $\mathrm{H}$ and $\mathrm{C}{2} \mathrm{H}{5}$
(c) $\mathrm{C}{2} \mathrm{H}{5}$ and $\mathrm{H}$
(d) $\mathrm{CH}{3}$ and $\mathrm{CH}{3}$
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Solution:
On $\mathrm{C}{2}-\mathrm{C}{3}$ axis, $X=\mathrm{CH}{3}, Y=\mathrm{CH}{3}$
On $\mathrm{C}{1}-\mathrm{C}{2}$ axis, $X=\mathrm{H}, Y=\mathrm{C}{2} \mathrm{H}{5}$
