2.2 Homologous series

Organic compounds are classified according to their

• groups

• period

• chemical reactions

• homologous series

All members of a homologous series are similar in terms of

• structural formula

• molecular formula

• physical properties

• chemical properties

Which of the following pairs of general formula and homologous series is correct?

• A

• B

• C

• D

Which of the following alcohols has the highest boiling point?

• Butanol

• Pentanol

• Hexanol

• Heptanol

Which pair of compounds is classified in the same homologous series?

• A

• B

• C

• D

What is the general formula for alcohols?

• C_nH_2n

• C_nH_2n+2

• C_nH_2n+1OH

• C_nH_2n+1COOH

Tags

NGSS.HS-LS1-6

The following equation represents the preparation of ethanol in industry.

What is the process?

• Oxidation

• Hydration

• Fermentation

• Hydrogenation

Tags

NGSS.HS-PS1-4

Compound Q has the following properties.

- soluble in water

- boiling point is 78⁰C

What is compound Q

• Ethane

• Ethene

• Ethanol

• Ethanoic acid

Diagram below shows pickled mangoes soaked in vinegar.

What is the functional group of vinegar?

• 
• 
• 
• 

Which of the following process can transform pentene to pentane?

• Oxidation

• Reduction

• Fermentation

• Hydrogenation