:0: -H+H3C-Br: In Reaction 2, the reactant HO™ is a: Lewis base Nucleophile Brønsted base H3C :O: The reactant CH3 Br is a: Brønsted acid Nucleophile Lewis acid

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Chapter1: Chemical Foundations
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For this reaction I attempted to answer them but I got it wrong, and was wondering why? Wouldn't HO- be the bronsted acid since it's accepting the H from the Br, which makes the CH3Br give away the carbon and hydrogens? which is the bronsted acid?

**Reaction 2:**

\[ \cdot\cdot \overset{:\cdot}{\text{O}}{\dashv\text{H}} + \text{H}_3\text{C}{-}\overset{\cdot\cdot}{\overset{:}{\text{Br}}} \rightarrow \text{H}_3\text{C}{-}\overset{:}{\text{O}}{\dashv\text{H}} + {\overset{\cdot\cdot}{\overset{:\cdot}{\text{B}}}\overset{\cdot\cdot}{\overset{:}{\text{r}}}} \]

**In Reaction 2, the reactant HO⁻ is:**

- ☐ Lewis base
- ☑ Nucleophile
- ☑ Brønsted base

**The reactant CH₃Br is:**

- ☑ Brønsted acid
- ☐ Nucleophile
- ☐ Lewis acid

**Explanation:**

In this reaction, the hydroxide ion (HO⁻) acts as a nucleophile and a Brønsted base, donating a pair of electrons to form a bond while also accepting a proton (H⁺) from CH₃Br. The CH₃Br molecule is acting as a Brønsted acid, providing the proton to the hydroxide ion. 

The reaction leads to the formation of methanol (CH₃OH) and a bromide ion (Br⁻). The diagram uses dots to indicate electron pairs and shows the movement of electrons from the nucleophile to the electrophile through curved arrows.
Transcribed Image Text:**Reaction 2:** \[ \cdot\cdot \overset{:\cdot}{\text{O}}{\dashv\text{H}} + \text{H}_3\text{C}{-}\overset{\cdot\cdot}{\overset{:}{\text{Br}}} \rightarrow \text{H}_3\text{C}{-}\overset{:}{\text{O}}{\dashv\text{H}} + {\overset{\cdot\cdot}{\overset{:\cdot}{\text{B}}}\overset{\cdot\cdot}{\overset{:}{\text{r}}}} \] **In Reaction 2, the reactant HO⁻ is:** - ☐ Lewis base - ☑ Nucleophile - ☑ Brønsted base **The reactant CH₃Br is:** - ☑ Brønsted acid - ☐ Nucleophile - ☐ Lewis acid **Explanation:** In this reaction, the hydroxide ion (HO⁻) acts as a nucleophile and a Brønsted base, donating a pair of electrons to form a bond while also accepting a proton (H⁺) from CH₃Br. The CH₃Br molecule is acting as a Brønsted acid, providing the proton to the hydroxide ion. The reaction leads to the formation of methanol (CH₃OH) and a bromide ion (Br⁻). The diagram uses dots to indicate electron pairs and shows the movement of electrons from the nucleophile to the electrophile through curved arrows.
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