PUC Karnataka Science Class 12Department of Pre-University Education, Karnataka
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Solution - When 3-methylbutan-2-ol is Treated with Hbr, the Following Reaction Takes Place - PUC Karnataka Science Class 12 - Chemistry

Question

When 3-methylbutan-2-ol is treated with HBr, the following reaction takes place:

Give a mechanism for this reaction.

(Hint : The secondary carbocation formed in step II rearranges to a more

stable tertiary carbocation by a hydride ion shift from 3rd carbon atom.

Solution

The mechanism of the given reaction involves the following steps:

Step 1: Protonation

Step 2: Formation of 2° carbocation by the elimination of a water molecule

Step 3: Re-arrangement by the hydride-ion shift

Step 4: Nucleophilic attack

Is there an error in this question or solution?

APPEARS IN

 NCERT Chemistry Textbook for Class 12 Part 2 (with solutions)
Chapter 11: Alcohols, Phenols and Ethers
Q: 33 | Page no. 346

Reference Material

Solution for question: When 3-methylbutan-2-ol is Treated with Hbr, the Following Reaction Takes Place concept: null - Physical and Chemical Properties of Alcohols and Phenols. For the courses PUC Karnataka Science, CBSE (Commerce), CBSE (Science), CBSE (Arts)
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