24 what is/are the major product(s) from the following Reaction a) A + HI —> ? -> b) Å HBr ? > CH3 + C) & CH3 H² CH3 CH₂OH LCH CHO CH3 CH₂OH ? No

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### Question 24

**What is/are the major product(s) from the following reactions?**

a) 
\[ \triangle + HI \rightarrow \ ? \]

b) 
\[ \text{O}\mathrel{\raisebox{-0.5ex}{\scalebox{1.5}{$\displaystyle\lrtriangle$}}}\text{CH}_3 + HBr \rightarrow \ ? \]

c) 
\[ \text{O}\mathrel{\raisebox{-0.5ex}{\scalebox{1.5}{$\displaystyle\lrtriangle$}}}\text{CH}_3 \text{CH}_3 + \text{H}^+ / \text{CH}_3 \text{OH} \rightarrow \ ? \]

d) 
\[ \text{O}\mathrel{\raisebox{-0.5ex}{\scalebox{1.5}{$\displaystyle\lrtriangle$}}}\text{CH}_3 \text{CH}_3 + \text{CH}_3 \text{O}^- / \text{CH}_3 \text{OH} \rightarrow \ ? \]

### Explanation
The reactions listed above involve opening of an epoxide (also known as an oxirane) with various reagents. Each reagent interacts differently with the epoxide ring, causing it to open and form different organic products.

- **a)** The reaction involves an epoxide and hydrogen iodide (HI).
- **b)** The reaction involves an epoxide with a methyl group attached and hydrogen bromide (HBr).
- **c)** This reaction involves an epoxide with a methyl group in an acidic methanol solution.
- **d)** This reaction involves an epoxide with a methyl group in a basic methanol solution with methoxide ions.

These reactions are commonly explored in organic chemistry to study the behavior of epoxides under different conditions.
Transcribed Image Text:### Question 24 **What is/are the major product(s) from the following reactions?** a) \[ \triangle + HI \rightarrow \ ? \] b) \[ \text{O}\mathrel{\raisebox{-0.5ex}{\scalebox{1.5}{$\displaystyle\lrtriangle$}}}\text{CH}_3 + HBr \rightarrow \ ? \] c) \[ \text{O}\mathrel{\raisebox{-0.5ex}{\scalebox{1.5}{$\displaystyle\lrtriangle$}}}\text{CH}_3 \text{CH}_3 + \text{H}^+ / \text{CH}_3 \text{OH} \rightarrow \ ? \] d) \[ \text{O}\mathrel{\raisebox{-0.5ex}{\scalebox{1.5}{$\displaystyle\lrtriangle$}}}\text{CH}_3 \text{CH}_3 + \text{CH}_3 \text{O}^- / \text{CH}_3 \text{OH} \rightarrow \ ? \] ### Explanation The reactions listed above involve opening of an epoxide (also known as an oxirane) with various reagents. Each reagent interacts differently with the epoxide ring, causing it to open and form different organic products. - **a)** The reaction involves an epoxide and hydrogen iodide (HI). - **b)** The reaction involves an epoxide with a methyl group attached and hydrogen bromide (HBr). - **c)** This reaction involves an epoxide with a methyl group in an acidic methanol solution. - **d)** This reaction involves an epoxide with a methyl group in a basic methanol solution with methoxide ions. These reactions are commonly explored in organic chemistry to study the behavior of epoxides under different conditions.
Expert Solution
Step 1

Epoxide in the presenece of acid of H+ follows SN1 (first order nucleophilic addtion reaction) i.e. goes through carbocation intermediate , similarly no a better necleophile is present then the epoxide reacrion follows bimolcular nucleophilic addition reaction, i.e. no intermediate formed .

Bimolecular reaction occur in a singke step

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