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Chemistry · PYQ NEET UG 2024

हिन्दी

Match List I with List II. List I (Molecule) A. ethane B. ethene C. carbon molecule, C₂ D. ethyne List II (Number and types of bond/s between two carbon atoms) I. one σ-bond and two π-bonds II. two π-bonds III. one σ-bond IV. one σ-bond and one π-bond Choose the correct answer from the options given below:

  1. A-III, B-IV, C-II, D-I
  2. A-III, B-IV, C-I, D-II
  3. A-I, B-IV, C-II, D-III
  4. A-IV, B-III, C-II, D-I

Correct answer · Option 1

A-III, B-IV, C-II, D-I

Explanation

Ethane has a single C-C bond (one σ-bond). Ethene has a double bond (one σ and one π). C2 molecule according to MOT has two π-bonds. Ethyne has a triple bond (one σ and two π). Thus, A-III, B-IV, C-II, D-I.
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