**Activity:** Ranking Reactivity in an SN1 Reaction**Task:** Rank the compounds shown from most to least reactive in an SN1 reaction.**Compounds:**- **Compound I:** A primary alkyl bromide.- **Compound II:** A primary alkyl chloride.- **Compound III:** A benzylic bromide.- **Compound IV:** A tertiary alkyl bromide.**Options:**- ○ I > IV > II > III- ○ I > II > IV > III- ○ III > IV > I > II- ○ IV > I > II > III- ● IV > III > I > II**Explanation:**- **SN1 Reaction:** This type of reaction favors the formation of stable carbocations. Typically, tertiary carbocations are more stable than secondary, which are more stable than primary. The presence of resonance stabilization, such as in benzylic positions, can increase carbocation stability.- **Correct Answer:** Based on carbocation stability, Compound IV, a tertiary alkyl bromide, is the most reactive due to its ability to form a stable tertiary carbocation. Compound III, a benzylic bromide, is the next most reactive because of resonance stabilization. Compound I is a primary alkyl bromide, and Compound II is a primary alkyl chloride, making them less reactive in an SN1 reaction due to lower carbocation stability and poorer leaving groups.**Attempts:** 1 of 1 used**Feedback:** The selected answer (IV > III > I > II) was incorrect. Please review the concepts of carbocation stability and SN1 reaction mechanisms for a better understanding.

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Answered: Rank the compounds shown from most to…

Rank the compounds shown from most to least reactive in an SN1 reaction. Br Br CI II IV OI> IV > || > II || > | > IV > III III > IV > | > || IV >I > || > II O IV > III >| > ||

Chemistry

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.

Question

**Activity:** Ranking Reactivity in an SN1 Reaction

**Task:** Rank the compounds shown from most to least reactive in an SN1 reaction.

**Compounds:**

- **Compound I:** A primary alkyl bromide.
- **Compound II:** A primary alkyl chloride.
- **Compound III:** A benzylic bromide.
- **Compound IV:** A tertiary alkyl bromide.

**Options:**

- ○ I > IV > II > III
- ○ I > II > IV > III
- ○ III > IV > I > II
- ○ IV > I > II > III
- ● IV > III > I > II

**Explanation:**

- **SN1 Reaction:** This type of reaction favors the formation of stable carbocations. Typically, tertiary carbocations are more stable than secondary, which are more stable than primary. The presence of resonance stabilization, such as in benzylic positions, can increase carbocation stability.

- **Correct Answer:** Based on carbocation stability, Compound IV, a tertiary alkyl bromide, is the most reactive due to its ability to form a stable tertiary carbocation. Compound III, a benzylic bromide, is the next most reactive because of resonance stabilization. Compound I is a primary alkyl bromide, and Compound II is a primary alkyl chloride, making them less reactive in an SN1 reaction due to lower carbocation stability and poorer leaving groups.

**Attempts:** 1 of 1 used

**Feedback:** The selected answer (IV > III > I > II) was incorrect. Please review the concepts of carbocation stability and SN1 reaction mechanisms for a better understanding.

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