Ⓒ5 What is the major substitution product of the following S√2 reaction? Na CNIDASO > ? + NaBr S02 Br Ladd NB) MEN ) SmeN d) CN ندی رنگ EN e)

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Chapter1: Chemical Foundations
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**Question 5:**

**Problem Statement:**
What is the major substitution product of the following S<sub>N</sub>2 reaction?

**Reaction Details:**
- Starting Material: Cyclopentyl bromide (depicted as a cyclopentane ring with a Br group attached)
- Reagents: NaCN, DMSO
- Reaction Type: S<sub>N</sub>2
- Reaction Product: ?
- By-product: NaBr

**Answer Options:**
a) Cyclopentyl cyanide with a CN group attached (bonds shown with wedge for the CN group, indicating stereochemistry).
b) Cyclopentyl cyanide with the CN group attached (bonds shown with dash, indicating stereochemistry).
c) Cyclopentyl cyanide with a CN group attached (bonds shown with wedge for the CN group, indicating stereochemistry).
d) Cyclopentyl cyanide without stereochemistry indicated.
e) Cyclopentyl cyanide with the CN group attached (bonds shown with dash, indicating stereochemistry). 

**Explanation:**
This question asks for the major product of an S<sub>N</sub>2 reaction, which typically results in an inversion of configuration due to the backside attack mechanism.
Transcribed Image Text:**Question 5:** **Problem Statement:** What is the major substitution product of the following S<sub>N</sub>2 reaction? **Reaction Details:** - Starting Material: Cyclopentyl bromide (depicted as a cyclopentane ring with a Br group attached) - Reagents: NaCN, DMSO - Reaction Type: S<sub>N</sub>2 - Reaction Product: ? - By-product: NaBr **Answer Options:** a) Cyclopentyl cyanide with a CN group attached (bonds shown with wedge for the CN group, indicating stereochemistry). b) Cyclopentyl cyanide with the CN group attached (bonds shown with dash, indicating stereochemistry). c) Cyclopentyl cyanide with a CN group attached (bonds shown with wedge for the CN group, indicating stereochemistry). d) Cyclopentyl cyanide without stereochemistry indicated. e) Cyclopentyl cyanide with the CN group attached (bonds shown with dash, indicating stereochemistry). **Explanation:** This question asks for the major product of an S<sub>N</sub>2 reaction, which typically results in an inversion of configuration due to the backside attack mechanism.
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