Organic Chemistry & Analysis Random Retrieval

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Organic Chemistry & Analysis Random Retrieval

This quiz contains all the questions in the Organic Chemistry & Analysis section. The website will pick 10 questions at random.

1 / 10

Free-radical intermediates in the reaction of chlorine with methane include:

(i) CH3.

(ii) H.

(iii) Cl.

(iv) C.

2 / 10

When propene react with hydrogen bromide the main intermediate is:

3 / 10

The relative rates of hydrolysis for these halogenoalkanes are in the order

C4H9I > C4H9Br > C4H9Cl

This trend correlates with the:

4 / 10

The monomer which polymerises to form a plastic which has a smooth, slippery surface and is used to give cooking utensils a non-stick surface is:

5 / 10

The main forces which hold a coiled protein chain into an alpha-helix are:

6 / 10

Glycine reacts with dilute hydrochloric acid to form:

7 / 10

Which types of change are involved in this sequence of reactions, though not necessarily in the order listed?

CH3CO-C6H5 -> CH3CO-C6H4-NO2 -> CH3CHOH-C6H4-NO2 -> CH3CH(OCOCH3)-C6H4-NO2

(i) esterification

(ii) reduction

(iii) nitration

(iv) hydrolysis

8 / 10

Which of these chemical species are electrophiles that react with the benzene ring

(i) Br+

(ii) Na+

(iii) NO2+

(iv) H3O+

9 / 10

During the synthesis of an ester from a carboxylic acid and an alcohol the extent of conversion of the carboxylic acid to its ester at equilibrium increases if:

(i) the alcohol is added in excess

(ii) concentrated sulfuric acid is added

(iii) the ester distills off from the reaction mixture as it forms

(iv) an acid catalyst is added

10 / 10

The reagent which converts ethanoic acid to ethanoyl chloride is:

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