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Question

The ability of carbon atoms to form long chains by bonding with other carbon atoms is called:

This question was previously asked in
UPTET 2026 Paper 2 Social Studies Question Paper (3-Jul-2026) (Shift 1)
The correct answer is

Catenation

The property of carbon atoms to link with other carbon atoms and form long chains, branched chains, and rings is called catenation. This unique tendency arises because carbon atoms form strong, stable covalent bonds with each other, and it is the reason organic chemistry has such a vast number of compounds.

Isomerism refers to compounds having the same molecular formula but different structures, polymerisation is the joining of small monomer units into large polymers, and valency refers to the combining capacity of an atom. None of these describe the chain-forming ability of carbon itself.

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Important Questions from Organic Chemistry

  1. Which of the hydrocarbons are arranged as per the increasing order of their boiling points?

  2. Which one of the following statements is NOT correct?

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    2. Carbon shows tetra-valency and the property of catenation

    3. Carbon forms covalent bonds with itself and other elements

    4. Carbon forms compounds containing triple and tetra bonds between carbon atoms

    Select the correct answer using the code given below:

  4. Which one of the following statements about diamond and graphite is not correct?

  5. Which one of the following cell organelles does NOT possess nucleic acid?

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