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Choose the reaction conditions to complete the acid-base reaction shown.

Choose the reaction conditions to complete the acid-base reaction shown.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Title: Acid-Base Reaction Conditions** **Question 7 of 32** **Instructions:** Choose the reaction conditions to complete the acid-base reaction shown. **Reaction Overview:** - **Initial Structure:** The diagram features a hydrocarbon chain with a terminal alkyne (triple bond) attached to a carbon atom, marked by a hydrogen (H) atom. - **Reaction Conditions:** The reaction setup includes NaH (sodium hydride) as a base and CH₃CH₂OH (ethanol) as a solvent. - **Resulting Structure:** The outcome shows the formation of an acetylide anion, indicated by a negative charge (C⁻) on the terminal alkyne carbon atom. **Explanation:** In this reaction, sodium hydride (NaH) acts as a strong base, abstracting the terminal hydrogen from the alkyne group, resulting in the formation of an acetylide anion. This transformation is crucial for subsequent reactions, such as alkylation, where the acetylide ion can act as a nucleophile. Ethanol is used as the solvent in this process.
Transcribed Image Text:**Title: Acid-Base Reaction Conditions** **Question 7 of 32** **Instructions:** Choose the reaction conditions to complete the acid-base reaction shown. **Reaction Overview:** - **Initial Structure:** The diagram features a hydrocarbon chain with a terminal alkyne (triple bond) attached to a carbon atom, marked by a hydrogen (H) atom. - **Reaction Conditions:** The reaction setup includes NaH (sodium hydride) as a base and CH₃CH₂OH (ethanol) as a solvent. - **Resulting Structure:** The outcome shows the formation of an acetylide anion, indicated by a negative charge (C⁻) on the terminal alkyne carbon atom. **Explanation:** In this reaction, sodium hydride (NaH) acts as a strong base, abstracting the terminal hydrogen from the alkyne group, resulting in the formation of an acetylide anion. This transformation is crucial for subsequent reactions, such as alkylation, where the acetylide ion can act as a nucleophile. Ethanol is used as the solvent in this process.
**Question 7 of 32** *Choose the reaction conditions to:* A. - Reagents: HCl, Water (H₂O) B. - Reagents: Sodium Hydroxide (NaOH), Water (H₂O) C. - Reagents: Sodium Ethoxide (NaOCH₂CH₃), Ethanol (CH₃CH₂OH) D. - Reagents: Sodium Amide (NaNH₂), Liquid Ammonia (NH₃(l)) E. - Reagents: Sodium Hydride (NaH), Ethanol (CH₃CH₂OH) Option E is selected, indicated by a green highlight.
Transcribed Image Text:**Question 7 of 32** *Choose the reaction conditions to:* A. - Reagents: HCl, Water (H₂O) B. - Reagents: Sodium Hydroxide (NaOH), Water (H₂O) C. - Reagents: Sodium Ethoxide (NaOCH₂CH₃), Ethanol (CH₃CH₂OH) D. - Reagents: Sodium Amide (NaNH₂), Liquid Ammonia (NH₃(l)) E. - Reagents: Sodium Hydride (NaH), Ethanol (CH₃CH₂OH) Option E is selected, indicated by a green highlight.
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