JAMB Chemistry 2017 Objective — Question 4

Question 4 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2017 Objective paper, with the correct answer and a full explanation.

Tin is unaffected by air at ordinary temperature due to its

A. A. low melting point
B. B. weak electropositive characterCorrect
C. C. high boiling point
D. D. white lustrous appearance

Explanation

Tin's chemical inactivity (weak electropositive character), reflected by its position in the electrochemical series, explains its resistance to reacting with air.

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