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Organic Chemistry (Level :Moderate)

Basic Organic Chemistry covering carbon properties, hydrocarbons (alkanes, alkenes, alkynes), isomerism, homologous series, IUPAC nomenclature, and practical applications

25 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following gases is the main constituent of cooking gas?

  1. Methane
  2. Propane
  3. Butane
  4. Ethane
Question 2 Multiple Choice (Single Answer)

Valency of carbon in every compound is

  1. 4
  2. 5
  3. 6
  4. 3
Question 3 Multiple Choice (Single Answer)

The unique capacity of carbon atoms to bond together to form long chains or rings, is called:

  1. carbonisation
  2. carbonation
  3. catenation
  4. oxidation
Question 4 Multiple Choice (Single Answer)

______ is a study of carbon and its compounds.

  1. Physical chemistry
  2. Organic chemistry
  3. Inorganic chemistry
  4. Bio-chemistry
Question 5 Multiple Choice (Single Answer)

Compounds containing only carbon and hydrogen are called

  1. hydrocarbons
  2. carbohydrates
  3. organic compounds
  4. aromatic compounds
Question 6 Multiple Choice (Single Answer)

Compounds with chains of carbon atoms are called

  1. aromatic compounds
  2. aliphatic compounds
  3. alkenes
  4. alkanes
Question 7 Multiple Choice (Single Answer)

Example for closed chain compound is

  1. propane
  2. cyclo propane
  3. ethane
  4. butane
Question 8 Multiple Choice (Single Answer)

Hydrocarbons having double or triple bonds are known as

  1. saturated hydrocarbons
  2. unsaturated hydrocarbons
  3. alkenes
  4. alkynes
Question 9 Multiple Choice (Single Answer)

In _____ reaction, double or triple bonded compounds are converted into single bonded compounds.

  1. addition
  2. oxidation
  3. fermentation
  4. hydration
Question 10 Multiple Choice (Single Answer)

CH2 = CH2 belongs to the ____________ group of compounds.

  1. alkane
  2. alkyne
  3. alkene
  4. none of these
Question 11 Multiple Choice (Single Answer)

Which organization formulates the system of naming organic compounds?

  1. IUPAC
  2. IPUAC
  3. ICUAP
  4. IAPAC
Question 12 Multiple Choice (Single Answer)

The family of organic compounds which shows similar properties is called _________.

  1. isomers
  2. polymers
  3. hydrocarbons
  4. homologous series
Question 13 Multiple Choice (Single Answer)

The general formula of alkane is

  1. Cn H2n+2
  2. Cn H2n
  3. Cn H2n-2
  4. Cn H2n-4
Question 14 Multiple Choice (Single Answer)

The compounds containing the same molecular formula, but different structural formula are called

  1. polymers
  2. isomers
  3. hydrocarbons
  4. homologous
Question 15 Multiple Choice (Single Answer)

_______ compounds are ring compounds with at least one cyclic ring.

  1. Aromatic
  2. Aliphatic
  3. Alkenes
  4. Cyclic
Question 16 Multiple Choice (Single Answer)

Molecular formula of butyne is

  1. C4H6
  2. CH3
  3. CH2
  4. C6H6
Question 17 Multiple Choice (Single Answer)

The alkane members differ by

  1. CH3
  2. Cn H2n
  3. C6H3
  4. CH2
Question 18 Multiple Choice (Single Answer)

Which of the following gases is used for artificial ripening of fruits?

  1. Ethene
  2. Ethane
  3. Methane
  4. Butane
Question 19 Multiple Choice (Single Answer)

Molecular formula of methane is

  1. C4H6
  2. CH4
  3. CH2
  4. C6H6
Question 20 Multiple Choice (Single Answer)

Which of the following compounds is an unsaturated hydrocarbon?

  1. Ethene
  2. Ethane
  3. Methane
  4. Butane
Question 21 Multiple Choice (Single Answer)

In the manufacture of methane, sodium hydroxide is treated with

  1. ethanol
  2. sodium carbonate
  3. sodium ethanoate
  4. sodium proponate
Question 22 Multiple Choice (Single Answer)

In alkenes, the molecular weight increases and the boiling point

  1. increases
  2. decreases
  3. shows no change
  4. None of these
Question 23 Multiple Choice (Single Answer)

The general formula of alkyne is

  1. Cn H2n+2
  2. Cn H2n
  3. Cn H2n-2
  4. Cn H2n-4
Question 24 Multiple Choice (Single Answer)

Example for alkane is

  1. ethane
  2. ethene
  3. ethyne
  4. all of these
Question 25 Multiple Choice (Single Answer)

Methane family is also known as

  1. ethene
  2. petroleum
  3. acetelene
  4. None of these
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