Reactions of Cyclohexene with Potassium Permanganate

Reactions of Cyclohexene with Potassium Permanganate

Assessment

Interactive Video

Chemistry

11th Grade - University

Hard

Created by

Ethan Morris

FREE Resource

The video tutorial explores the reaction of cyclohexene with potassium permanganate under basic conditions, resulting in syn dihydroxylation to form a diol. It also discusses alternative reagents like osmium tetroxide and the reaction mechanisms involved. The oxidation of diols to aldehydes using periodic acid is explained, along with the stereochemistry and isomerism concepts, including diastereomers and enantiomers. Finally, the video compares reactions under different conditions, highlighting the formation of carboxylic acids and CO2.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the major product when cyclohexene reacts with potassium permanganate under basic conditions?

Ketone

Epoxide

Syn diol

Trans diol

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of compound is formed due to the internal plane of symmetry in the reaction of cyclohexene with potassium permanganate?

Diastereomer

Enantiomer

Meso compound

Constitutional isomer

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What intermediate is formed during the reaction of cyclohexene with potassium permanganate before the final product?

Osme ester

Carboxylic acid

Manganate ester

Epoxide

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of hydroxide in the reaction mechanism of cyclohexene with potassium permanganate?

It forms an epoxide

It reduces the permanganate

It hydrolyzes the manganate ester

It oxidizes the alkene

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the similarity between the mechanisms of manganate ester and osme ester formation?

Both involve the breaking of a carbon-oxygen bond

Both involve the formation of a ketone

Both involve the breaking of a carbon-carbon double bond

Both involve a radical mechanism

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to a 1,2-diol when it reacts with periodic acid?

It forms a ketone

It forms an epoxide

It cleaves to form aldehydes

It forms a carboxylic acid

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between the products formed when a methyl-substituted cyclohexene reacts with potassium permanganate under cold basic conditions?

They are identical

They are constitutional isomers

They are diastereomers

They are enantiomers

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