Choose correct answers

1. Which statements are correct?

A. Tertiary alcohols can not be oxidized

B. Fructose can be hydrolysed

C. Alcohols and ethers are functional isomers

D. Reduction of aldehydes gives primary alcohol

E. Ketones react with Tollen’s reagent

2. Which ones of the following react with methanol?

A. Potassium

B. Sodium hydroxide

C. Acetic acid

D. Water

E. Hydrogen chloride

F. Copper

3. Which of the following statements are correct?

1. Butanone can be produced by hydration of 1-butyne
2. 3-chloro-2-methylpentane is produced by the reaction of 2-methyl-2-pentene with hydrogen chloride
3. Dehydration of 2-butanol gives 1-butene
4. Reaction of propylpropionate gives only one product
5. Carboxylic acids and esters are functional isomers

4. Propanoic acid reacts with

A. 2-butanol

B. ammonia

C. potassium permanganate

D. benzene

E. sodium carbonate

5 Match compound and class of organic compound

Compound Class of organic compound

1) methanol A) polyhydric alcohol

2) toluene B) aldehyde

3) glycerol C) monohydric alcohol

4) ethanal D) aromatic hydrocarbon

E) ether

Answer: A____B_____C______D_________

6 Match compound and its preparation reaction

Compound Preparation

1) ethanol A) hydrolysis of calcium carbide

2) ethandiol B) esterification

3) acetylene C) fermentation of glucose

4) methylacetate D) reaction of ethylene with aqueous KMnO₄ solution

Answer: A____B_____C______D_________

7 Match the name of an organic compound and general formula of its homologous series

A. methylbenzene 1. C_nH_2n+2

B. 2,2-dimethylpentane 2. C_nH_2n

C. cyclohexane 3. C_nH_2n-2

D. 1,1-dimethylcyclohexane 4. C_nH_2n-4

5. C_nH_2n-6

8 Isomers of octane

1. 2-methyl-3-ethylpentane
2. 3,4-dimethylhexane
3. 2,3-dimethylpentane
4. 3-ethylhexane
5. 2,2-dimethylheptane

9 Match the reactants and products

REACTANTS PRODUCTS

A. 1. C₂H₅OH

B. 2. CH₃CHO

C. 3. CH₃COOH

D. 4.

5.

6.

10 Match the formula of an organic compound and class of an organic compound.

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