Reagent condition is needed to be explained for the given reactions. Concept introduction: Acid-catalyzed reaction: in this reaction, double bond of the alkene is protonated by an acid to give carbocation intermediate that means carbocation stability determines the reactivity level of the alkene. More reactive alkene is one, which can produce more stable carbocation. If the substrate contained good leaving group then dilute sulfuric acid is enough to remove the group but in case of bad leaving group, concentrated sulfuric acid is needed to remove the group. In both the reactions first protonation of substrate takes place then attack of nucleophile leads the product. To find: the nature of the reagent in given reaction.

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Chapter 8.5, Problem 9CC

(a)

Interpretation Introduction

Interpretation:

Reagent condition is needed to be explained for the given reactions.

Concept introduction:

Acid-catalyzed reaction: in this reaction, double bond of the alkene is protonated by an acid to give carbocation intermediate that means carbocation stability determines the reactivity level of the alkene. More reactive alkene is one, which can produce more stable carbocation.

If the substrate contained good leaving group then dilute sulfuric acid is enough to remove the group but in case of bad leaving group, concentrated sulfuric acid is needed to remove the group. In both the reactions first protonation of substrate takes place then attack of nucleophile leads the product.

To find: the nature of the reagent in given reaction.

(b)

Interpretation Introduction

Interpretation:

Reagent condition is needed to be explained for the given reactions.

Concept introduction:

Acid-catalyzed reaction: in this reaction, double bond of the alkene is protonated by an acid to give carbocation intermediate that means carbocation stability determines the reactivity level of the alkene. More reactive alkene is one, which can produce more stable carbocation.

If the substrate contained good leaving group then dilute sulfuric acid is enough to remove the group but in case of bad leaving group, concentrated sulfuric acid is needed to remove the group. In both the reactions first protonation of substrate takes place then attack of nucleophile leads the product.

To find: the nature of the reagent in given reaction.

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