Questions: Question 12 (5 points) Complete each reaction as best as you can. + HOH -> H^+ a) b) c) d)

Transcript text: Question 12 (5 points) Complete each reaction as best as you can. $+\mathrm{HOH} \xrightarrow{\mathrm{H}^{+}}$ a) b) c) d)

Solution

Solution Steps

Step 1: Identify the Reaction Type

The given reaction involves the addition of water (H₂O) to an alkene in the presence of an acid catalyst (H⁺). This is a typical acid-catalyzed hydration reaction.

Step 2: Determine the Mechanism

In an acid-catalyzed hydration reaction, the alkene undergoes protonation to form a carbocation intermediate. Water then attacks the carbocation, followed by deprotonation to yield the alcohol.

Step 3: Form the Carbocation Intermediate

The double bond in the cyclohexene will be protonated by the acid (H⁺), leading to the formation of a carbocation. The most stable carbocation will form, which in this case is a secondary carbocation at the more substituted carbon.

Step 4: Nucleophilic Attack by Water

Water (H₂O) will attack the carbocation, forming a protonated alcohol (oxonium ion).

Step 5: Deprotonation

The oxonium ion will lose a proton (H⁺) to form the final alcohol product.

Final Answer

The correct product of the reaction is the alcohol formed by the addition of water to the more substituted carbon of the double bond. This corresponds to option (d).

So, the final answer is: d)

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