JAMB Chemistry 2014 Objective — Question 2

Question 2 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2014 Objective paper, with the correct answer and a full explanation.

What is the percentage of sulphur in sulphur(IV) oxide? [S=32, O=16]

A. 50%Correct
B. 66%
C. 25%
D. 40%

Explanation

Molar mass of SO2 = 32+(16×2) = 64gmol⁻¹. Percentage of sulphur = 32/64 × 100% = 50%.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Chemistry 2014 Objective More Chemistry past papers