NEET 2024 — Chemistry solution

NEET2024Chemistry

Match List - I with List - II:

List - I (Molecule)	List-II (Number and types of bond/s between two carbon atoms)
A. ethane	I. one $σ$ -bond and two $π$ -bonds
B. ethene	II. two $π$ -bonds
C. carbon molecule, C $_{2}$	III. one $σ$ -bond
D. ethyne	IV. one $σ$ -bond and one $π$ -bond

Choose the correct answer from the options given below:

Solution

Ethane (C-C single): 1 $σ$ (III).

Ethene (C=C): 1 $σ$ + 1 $π$ (IV).

C $_{2}$ molecule (MO theory): bond order 2 with two $π$ bonds (II).

Ethyne (C $\equiv$ C): 1 $σ$ + 2 $π$ (I).

Match: A-III, B-IV, C-II, D-I.

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