Organic synthesis multiple choice questions

Organic Synthesis

Total marks:0 / 16

1 of 16

Which pair of compounds can bothbe separately hydrolysed in acidic conditions to form propanoic acid?

0 / 1

2 of 16

Which set of reagents is not suitable for the step indicated?

Diagram showing an organic reaction pathway with multiple steps and reagents.

0 / 1

3 of 16

Which reaction may be used to make a carboxylic acid in a single step?

0 / 1

4 of 16

Which reagent will give a different observation with compounds P and Q?

HOCH₂CH(OH)CHO HOCH₂COCH₂OH

P Q

0 / 1

5 of 16

Cottonseed oil contains large amounts of polyunsaturated carboxylic acids. When this oil is used to make margarine, the C=C double bonds in the unsaturated carboxylic acids are hydrogenated.

What reagents and conditions would be suitable to bring about this hydrogenation reaction?

0 / 1

6 of 16

Energy is released in the human body by the oxidation of glucose in a complex sequence of reactions. Part of this sequence is the Krebs cycle.

One reaction in the Krebs cycle is the conversion of fumaric acid into malic acid.

HO₂CCH=CHCO₂H ➔ HO₂CCH(OH)CH₂CO₂H

fumaric acid malic acid

Which reagents could achieve this transformation in the laboratory?

0 / 1

7 of 16

Which reaction will give the best yield of 1-chloropropane?

0 / 1

8 of 16

The compound ‘leaf alcohol’ is partly responsible for the smell of new-mown grass.

CH₃CH₂CH=CHCH₂CH₂OH

leaf alcohol

What will be formed when ‘leaf alcohol’ is oxidised using an excess of hot, acidified K₂Cr₂O₇(aq)?

0 / 1

9 of 16

Which pair of reagents will take part in a redox reaction?

0 / 1

10 of 16

Which reaction would not give ethanoic acid?

0 / 1

11 of 16

Which compound could be formed by a one-step reaction from 1-chloropropane?

0 / 1

12 of 16

Which substance cannotbe made in a single step from C₂H₄?

0 / 1

13 of 16

Which one of the following reacts with ethanoic acid andwith phenol?

0 / 1

14 of 16

Which compound does not react with nucleophiles?

0 / 1

15 of 16

Which reaction involves addition-elimination?

0 / 1

16 of 16

Butan-1-ol can be made by reaction of 1-bromobutane with aqueous sodium hydroxide.

Which of these is the correct name for the mechanism of this reaction?

0 / 1