The given set of molecules has relationship of keto-enol tautomerism or not should be determined. Concept Introduction: Tautomerism: The two isomer of compound which differ only in the position of the protons and electrons. In the carbon skeleton of the compound is unchanged, a reaction which involves simple proton transfer in an intramolecular fashion it is called a tautomerism. Keto-enol tautomerism: This is common process and is acid or base catalyst. Typically the keto from the compound is more stable, but in some instance the enol form can be the more stable.

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Chapter 9, Problem 39PP

(a)

Interpretation Introduction

Interpretation:

The given set of molecules has relationship of keto-enol tautomerism or not should be determined.

Concept Introduction:

Tautomerism: The two isomer of compound which differ only in the position of the protons and electrons. In the carbon skeleton of the compound is unchanged, a reaction which involves simple proton transfer in an intramolecular fashion it is called a tautomerism.

Keto-enol tautomerism: This is common process and is acid or base catalyst. Typically the keto from the compound is more stable, but in some instance the enol form can be the more stable.

(b)

Interpretation Introduction

Interpretation:

The given set of molecules has relationship of keto-enol tautomerism or not should be determined.

Concept Introduction:

Tautomerism: The two isomer of compound which differ only in the position of the protons and electrons. In the carbon skeleton of the compound is unchanged, a reaction which involves simple proton transfer in an intramolecular fashion it is called a tautomerism.

Keto-enol tautomerism: This is common process and is acid or base catalyst. Typically the keto from the compound is more stable, but in some instance the enol form can be the more stable.

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I have a question about this problem involving mechanisms and drawing curved arrows for acids and bases. I know we need to identify the nucleophile and electrophile, but are there different types of reactions? For instance, what about Grignard reagents and other types that I might not be familiar with? Can you help me with this? I want to identify the names of the mechanisms for problems 1-14, such as Gilman reagents and others. Are they all the same? Also, could you rewrite it so I can better understand? The handwriting is pretty cluttered. Additionally, I need to label the nucleophile and electrophile, but my main concern is whether those reactions differ, like the "Brønsted-Lowry acid-base mechanism, Lewis acid-base mechanism, acid-catalyzed mechanisms, acid-catalyzed reactions, base-catalyzed reactions, nucleophilic substitution mechanisms (SN1 and SN2), elimination reactions (E1 and E2), organometallic mechanisms, and so forth."