Consider the following reaction sequence:text | vedclass

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(D) $1$. Cyclohexanol is oxidized by $CrO_3$ to form cyclohexanone $(A)$.$2$. Cyclohexanone reacts with $CH_3MgBr$ followed by acidic workup to form $

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$2-$Methylcyclohexanol

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(D) $1$. Cyclohexanol is oxidized by $CrO_3$ to form cyclohexanone $(A)$.$2$. Cyclohexanone reacts with $CH_3MgBr$ followed by acidic workup to form $1-$methylcyclohexanol $(B)$.$3$. $1-$Methylcyclohexanol undergoes acid-catalyzed dehydration with $H_2SO_4$ and heat to form $1-$methylcyclohexene $(C)$.$4$. $1-$Methylcyclohexene undergoes hydroboration-oxidation $(B_2H_6, H_2O_2, OH^-)$,which is an anti-Markovnikov addition of water,to form $2-$methylcyclohexanol $(D)$.

Consider the following reaction sequence:
$\text{Cyclohexanol}$ $\xrightarrow{CrO_3} A$ $\xrightarrow{CH_3MgBr / H^+, H_2O} B$ $\xrightarrow{H_2SO_4, \Delta} C$ $\xrightarrow{B_2H_6, H_2O_2, OH^-} D$
Identify the final product $D$.

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Predict the major product of acid-catalyzed dehydration of:
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Consider the following reaction sequence:$\text{Cyclohexanol}$ $\xrightarrow{CrO_3} A$ $\xrightarrow{CH_3MgBr / H^+, H_2O} B$ $\xrightarrow{H_2SO_4, \Delta} C$ $\xrightarrow{B_2H_6, H_2O_2, OH^-} D$Identify the final product $D$.