(CH_3)_3CH xrightarrow{KMnO_4} X xrightarrow[ | vedclass

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(C) The reaction sequence is as follows: $1$. Oxidation of isobutane $(CH_3)_3CH$ with $KMnO_4$ gives tert-butyl alcohol $(CH_3)_3COH$ (Compound $X$).

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$2, 2$

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(C) The reaction sequence is as follows: $1$. Oxidation of isobutane $(CH_3)_3CH$ with $KMnO_4$ gives tert-butyl alcohol $(CH_3)_3COH$ (Compound $X$). $2$. Dehydrogenation of tert-butyl alcohol $(CH_3)_3COH$ with $Cu$ at $573 \ K$ leads to the formation of isobutylene $(CH_3)_2C=CH_2$ (Compound $Y$). $3$. In isobutylene $(CH_3)_2C=CH_2$,the structure is $CH_3-C(CH_3)=CH_2$. $4$. The carbons are: two methyl carbons $(sp^3)$,one central quaternary carbon $(sp^2)$,and one terminal methylene carbon $(sp^2)$. $5$. Thus,there are $2$ $sp^3$ carbons and $2$ $sp^2$ carbons.

$(CH_3)_3CH$ $\xrightarrow{KMnO_4} X$ $\xrightarrow[573 \ K]{Cu} Y$
The number of $sp^3$ and $sp^2$ carbons in $Y$ are respectively

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$(CH_3)_3CH$ $\xrightarrow{KMnO_4} X$ $\xrightarrow[573 \ K]{Cu} Y$ The number of $sp^3$ and $sp^2$ carbons in $Y$ are respectively