Below you see several experimental observations made for dehydration reaction of

Question

Below you see several experimental observations made for dehydration reaction of 2-methylcyclohexanol. Which of these observations are and which are not consistent with E1 mechanism of elimination. Provide short, 1-2-sentences explanation.

I. Reaction is catalyzed by acid

II. Reaction provides three products: A, B, and C.

III. The cis-2-methylcyclohexanol reacts faster than trans-2-methylcyclohexanol.

IV. 1-methylcyclohexene is the main product in the reaction.

V. The dehydration of trans-2-methylcyclohexanol provides lower ratio of 1-methylcyclohexene to 3-methylcyclohexene than dehydration of cis-2-methylcyclohexanol.

VI. Water is produced in the reaction.

Explanation / Answer

I. Reaction is catalysed by Acid: Yes , H2SO4 in the presence of water is used as a catalyst for the reaction.

II. Reaction produces A B C as the product

III. Yes. Cis-2-methylcyclohehanol reacts 30 times fater than the trans-2-methylcyclohexanol

IV. 1-methylcyclohexene is the major product as it is more stable

V. Yes that is true

VI. Water is prodused in the reaction : Yes water is produces.

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