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23 Organic Reactions MCQ4

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Questions and Answers

What is the type of reaction that involves the removal of a small molecule from a large molecule, leaving a C=C behind?

Substitution reaction

Polymerisation reaction

Elimination reaction (correct)

Addition reaction

What is the purpose of a Ni catalyst in a substitution reaction?

To facilitate the reaction (correct)

To initiate the reaction

To terminate the reaction

To slow down the reaction

What is the product of a reaction between a carboxylic acid and an alcohol?

Aldehyde

Ester (correct)

Ketone

Acid anhydride

What is the role of the inductive effect in esterification reactions?

To polarise the O-H bond Signup and view all the answers

What is the difference between a primary and secondary alcohol?

The type of carbon atom attached to the OH group Signup and view all the answers

What is the purpose of potassium permanganate in redox reactions?

To act as an oxidising agent Signup and view all the answers

What is the product of the reaction between an aldehyde and a primary alcohol?

Hemiacetal Signup and view all the answers

What is the characteristic of the carbon attached to the OH group in secondary alcohols?

Attached to 2 other carbons Signup and view all the answers

What is the result of the acidic nature of carboxylic acids in the reaction with ethanoic acid?

It loses a hydrogen Signup and view all the answers

What is the term for the process of Br2 splitting into Br+ and Br-?

Heterolytic fission Signup and view all the answers

What is the role of U.V. light in the free radical substitution reaction?

To initiate the reaction Signup and view all the answers

What is the characteristic of the methyl free radical (CH₃)?

It is highly reactive Signup and view all the answers

What is the final product formed in the reaction of methane with Cl₂?

Chloromethane Signup and view all the answers