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Home › Chemistry › Organic Chemistry Basics

Organic Chemistry Basics — Chemistry Questions & Practice

Practise 13 Organic Chemistry Basics questions from Chemistry for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Organic Chemistry Basics — with answers

Try each question first, then open the answer. Explanations are included.

1. What is the branch of chemistry that primarily deals with carbon-containing compounds?

  1. AInorganic chemistry
  2. BAnalytical chemistry
  3. COrganic chemistry
  4. DPhysical chemistry
Show answer

Answer: C

Organic chemistry is the branch of chemistry that studies the structure, properties, and reactions of carbon-containing compounds.

2. What term describes organic compounds made up only of carbon and hydrogen atoms?

  1. AAlcohols
  2. BCarbohydrates
  3. CEsters
  4. DHydrocarbons
Show answer

Answer: D

Hydrocarbons are organic compounds composed solely of carbon and hydrogen atoms, such as methane, ethane, and benzene.

3. What term describes hydrocarbons containing only single bonds between carbon atoms (saturated hydrocarbons)?

  1. AAlkenes
  2. BAlkanes
  3. CAlkynes
  4. DAromatic hydrocarbons
Show answer

Answer: B

Alkanes are saturated hydrocarbons containing only single carbon-carbon bonds, following the general formula CnH2n+2.

4. What term describes hydrocarbons containing at least one carbon-carbon double bond?

  1. AAlkanes
  2. BAlkynes
  3. CAlkenes
  4. DAlcohols
Show answer

Answer: C

Alkenes are unsaturated hydrocarbons containing at least one carbon-carbon double bond, following the general formula CnH2n.

5. What term describes hydrocarbons containing at least one carbon-carbon triple bond?

  1. AAlkanes
  2. BAromatic hydrocarbons
  3. CAlkenes
  4. DAlkynes
Show answer

Answer: D

Alkynes are unsaturated hydrocarbons containing at least one carbon-carbon triple bond, following the general formula CnH2n-2.

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