Choose the correct set of reagents that would lead to this major product under these conditions. HBr (excess) Br

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Chapter1: Chemical Foundations
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**Question 19 of 32**

Choose the correct set of reagents that:

- **Option A:** 
  - Reagent: HCl (1 equiv)

- **Option B:**
  - Reagent: Br₂ (1 equiv)

- **Option C:**
  - Reagent: HBr (excess)

- **Option D:**
  - Reagents: HBr, H₂O₂

- **Option E:**
  - Reagent: HBr (1 equiv)

**Explanation of Diagram:**
The diagram displays five options (A-E), each with a set of chemical reagents. Option C is highlighted, indicating it is the correct choice. The reagents listed are common in chemical reactions, particularly in the context of organic chemistry for addition or substitution reactions. The indication of "1 equiv" or "excess" specifies the molar ratio used in the reaction.
Transcribed Image Text:**Question 19 of 32** Choose the correct set of reagents that: - **Option A:** - Reagent: HCl (1 equiv) - **Option B:** - Reagent: Br₂ (1 equiv) - **Option C:** - Reagent: HBr (excess) - **Option D:** - Reagents: HBr, H₂O₂ - **Option E:** - Reagent: HBr (1 equiv) **Explanation of Diagram:** The diagram displays five options (A-E), each with a set of chemical reagents. Option C is highlighted, indicating it is the correct choice. The reagents listed are common in chemical reactions, particularly in the context of organic chemistry for addition or substitution reactions. The indication of "1 equiv" or "excess" specifies the molar ratio used in the reaction.
**Question 19 of 32**

**Choose the correct set of reagents that would lead to this major product under these conditions.**

**Chemical Reaction Sequence:**

- **Starting Material:**
  - A branched alkene structure with a triple bond to the right of a central carbon. The structure branches from the central carbon.

- **Reagent:**
  - HBr (excess)

- **Product:**
  - The product is a branched alkane structure, where the triple bond is reduced, and a bromine (Br) is added to the terminal end of the original triple bond.

This reaction involves the addition of excess HBr to a starting alkyne, resulting in the formation of a bromoalkene as the major product. The mechanism includes hydrohalogenation, where hydrogen bromide adds across the triple bond.
Transcribed Image Text:**Question 19 of 32** **Choose the correct set of reagents that would lead to this major product under these conditions.** **Chemical Reaction Sequence:** - **Starting Material:** - A branched alkene structure with a triple bond to the right of a central carbon. The structure branches from the central carbon. - **Reagent:** - HBr (excess) - **Product:** - The product is a branched alkane structure, where the triple bond is reduced, and a bromine (Br) is added to the terminal end of the original triple bond. This reaction involves the addition of excess HBr to a starting alkyne, resulting in the formation of a bromoalkene as the major product. The mechanism includes hydrohalogenation, where hydrogen bromide adds across the triple bond.
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