**Ranking Substituents by Priority**According to the Cahn-Ingold-Prelog sequence rules, you are asked to rank the following substituents in order of priority. The highest priority is indicated by the number 1.1. **Substituents:** - (a) —CO₂H - (b) —CO₂CH₃ - (c) —CH₂OH - (d) —CH₃**Instructions:**Rank the substituents by selecting the appropriate number for each, using the dropdown options provided next to each substituent.**Note:**- Consider the atomic number and connectivity to determine the priority.- The substituent with the highest atomic number receives the highest priority (1). Use your understanding of the Cahn-Ingold-Prelog rules to complete the ranking. The image displays a part of a multiple-choice question interface related to chemistry. At the top, there are two chemical structures labeled "(a)" and "(b)":- (a) — CO₂H- (b) — CO₂ (likely a continuation or part of a chemical formula)Below these structures, there is a dropdown menu that seems to be used for selecting an answer. The menu currently shows a checkmark next to the number "1," indicating selection. Other options include the numbers "2," "3," and "4."Underneath the dropdown, there are two buttons:- A blue button labeled "Submit Answer"- A gray button labeled "Try Another"This interface likely allows users to select an answer choice and then submit it, or attempt the question again.

According to this rule, the groups bonded at the stereocenter are numbers in decreasing order of their molar mass. It means the group/ atom with the highest molar mass must be numbered as 1 and the least one must be numbered as 4. Hope this is helpful to you.

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Rank the set of substituents below in order of priority according to the Cahn-Ingold-Prelog sequence rules. 1 = highest priority. (a) —CO₂H (b) —CO,CH3 (c)-CH₂OH (d) -CH3

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter14: Elimination

Section: Chapter Questions

Problem 37E

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Concept explainers

Reactive Intermediates

In chemistry, reactive intermediates are termed as short-lived, highly reactive atoms with high energy. They rapidly transform into stable particles during a chemical reaction. In specific cases, by means of matrix isolation and at low-temperature reactive intermediates can be isolated.

Hydride Shift

A hydride shift is a rearrangement of a hydrogen atom in a carbocation that occurs to make the molecule more stable. In organic chemistry, rearrangement of the carbocation is very easily seen. This rearrangement can be because of the movement of a carbocation to attain stability in the compound. Such structural reorganization movement is called a shift within molecules. After the shifting of carbocation over the different carbon then they form structural isomers of the previous existing molecule.

Vinylic Carbocation

A carbocation where the positive charge is on the alkene carbon is known as the vinyl carbocation or vinyl cation. The empirical formula for vinyl cation is C2H3+. In the vinyl carbocation, the positive charge is on the carbon atom with the double bond therefore it is sp hybridized. It is known to be a part of various reactions, for example, electrophilic addition of alkynes and solvolysis as well. It plays the role of a reactive intermediate in these reactions.

Cycloheptatrienyl Cation

It is an aromatic carbocation having a general formula, [C7 H7]+. It is also known as the aromatic tropylium ion. Its name is derived from the molecule tropine, which is a seven membered carbon atom ring. Cycloheptatriene or tropylidene was first synthesized from tropine.

Stability of Vinyl Carbocation

Carbocations are positively charged carbon atoms. It is also known as a carbonium ion.

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**Ranking Substituents by Priority**

According to the Cahn-Ingold-Prelog sequence rules, you are asked to rank the following substituents in order of priority. The highest priority is indicated by the number 1.

1. **Substituents:**
- (a) —CO₂H
- (b) —CO₂CH₃
- (c) —CH₂OH
- (d) —CH₃

**Instructions:**

Rank the substituents by selecting the appropriate number for each, using the dropdown options provided next to each substituent.

**Note:**
- Consider the atomic number and connectivity to determine the priority.
- The substituent with the highest atomic number receives the highest priority (1).

Use your understanding of the Cahn-Ingold-Prelog rules to complete the ranking.

The image displays a part of a multiple-choice question interface related to chemistry.

At the top, there are two chemical structures labeled "(a)" and "(b)":
- (a) — CO₂H
- (b) — CO₂ (likely a continuation or part of a chemical formula)

Below these structures, there is a dropdown menu that seems to be used for selecting an answer. The menu currently shows a checkmark next to the number "1," indicating selection. Other options include the numbers "2," "3," and "4."

Underneath the dropdown, there are two buttons:
- A blue button labeled "Submit Answer"
- A gray button labeled "Try Another"

This interface likely allows users to select an answer choice and then submit it, or attempt the question again.

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