WAEC Chemistry 2023 Objective — Question 34

Question 34 of 50 from the West African Examinations Council (WAEC) Chemistry 2023 Objective paper, with the correct answer and a full explanation.

The molecule that has a non-polar covalent bond is

• A. H2O
• B. HCl
• C. NH3
• D. Cl2Correct

Explanation

Since the electronegativity difference between the two identical chlorine atoms in Cl2 is zero, the bond is non-polar. The same applies to F2, Br2, I2, N2, O2 and H2.

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