JAMB Chemistry 2007 Objective — Question 21

Question 21 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2007 Objective paper, with the correct answer and a full explanation.

The oxidation state of oxygen in tetraoxosulphate (VI) acid is

A. -8
B. -4
C. -2Correct
D. +4

Explanation

In H2SO4: (1x2)+6+4x=0 => 8+4x=0 => x=-2, the standard oxidation state of oxygen.

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