JAMB Chemistry 2023 Objective — Question 1

Question 1 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2023 Objective paper, with the correct answer and a full explanation.

Given that the difference in electronegativity of elements X and Y is 2.2, the bond that will be formed between them is

A. Polar covalent
B. IonicCorrect
C. Non-polar covalent
D. Coordinate

Explanation

Electronegativity difference >1.7 → ionic bond. 0.5–1.7 → polar covalent. <0.5 → non-polar covalent. A difference of 2.2 gives an ionic bond.

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