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Worksheets

Hydroxy Compounds

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

Oxidation of 2-pentanol produces compound X. X gives

a)

positive result with Tollen's reagent.

b)

positive result with Benedict's reagent.

c)

a yellow precipitate wih alkaline iodine.

d)

orange colour of hot acidified potassium dichromate solution turns green.

2.

Classify the types of alcohol of the following molecule.

a)

Primary alcohol

b)

Secondary alcohol.

c)

Tertiary alcohol

d)

Aromatic alcohol.

3.

Give the IUPAC name for the following sructure.

a)

1,2- cyclopentanol.

b)

1,2-pentanol.

c)

1,2–cyclopentanediol.

d)

1,2-pentanediol

4.

Give the structure corresponding to 3–cyclohexyl–3–pentanol.

a)
b)
c)
d)
5.

1-pentanol can be differentiate from 3-pentanol by using

a)

Phosphorus (v) chloride

b)

Lucas reagent

c)

Alkaline iodine

d)

Acidified potassium dichromate solution

6.

The following reagents can be used to convert ethanol to ethene except for

a)

Concentrated NH3

b)

Concentrated H2SO4

c)

Concentrated H3PO4

7.

State the rule used to convert 2-methylpent-1-ene to 2-methylpent-2-ol.

a)

Zaitsev's rule

b)

Markovnikov's rule

c)

Hund's rule

d)

Aufbau's rule

8.

Which compound has the highest boiling point?

a)

CH(OH)2CH2CH3

b)

CH(CH3)2CH2CH3

c)

CH2(OH)CH2CH3

d)

CH(CH3)2CH2CH2(C6H5)

9.

Propanol is heated with acidified potassium dichromate. The following statements about this reaction is true except for

a)

Green solution is formed.

b)

Orange solution is formed.

c)

Acidic product is formed.

d)

Cr6+ is reduced to Cr3+.

10.

2-butanol heated with acidified KMnO4 solution produced

a)

butanone

b)

butene

c)

butanoic acid

d)

butane

11.

2-methyl-1-propanol heated with acidified K2Cr2O7 solution produced

a)

alkene

b)

carboxylic acid

c)

alcohol

d)

ketone

12.

1,2-ethanediol with potassium produced

a)
b)
c)
d)
13.

glacial ethanoic acid heated with 2-propanol in the presence of concentrated H2SO4 produced

a)

ester (2-propyl ethanoate)

b)

salt

c)

carboxylic acid (pentanoic acid)

d)

alcoholic

14.

The functional group exist in alcohol is

a)

Carboalkoxy

b)

Halogen

c)

Hydroxy

d)

carbonyl

15.

The IUPAC name for this compund is

a)

1-butanol

b)

2-butanol

c)

2-methyl-2-propanol

d)

2-propanol

16.

Alcohol X produced cloudy solution immediately with Lucas reagent. Alcohol X is probably a .....

a)

primary alcohol

b)

tertiary alcohol

c)

secondary alcohol

d)

ketone

17.

Alcohol W produces a carboxylic acid upon oxidation with hot acidified KMnO4. Alcohol W is probably a ....

a)

tertiary alcohol

b)

secondary alcohol

c)

primary alcohol

d)

haloalkane

18.

Which microorganism can be used to produce ethanol in drinks?

a)

MRSA

b)

Yeast

c)

E. Coli

d)

Bacteria

19.

alkene + ? --> alcohol

a)

hydrogen

b)

oxygen

c)

water

d)

carbon dioixde

20.

Acidified potassium dichromate is an example of...

a)

an alkali

b)

a reducing agent

c)

a fuel

d)

an oxidising agent