Trioxosulphate (iv) Acid And Its Salts Jamb Chemistry Past Questions

Question 1

A compound contains 40.0% carbon, 6.7% hydrogen and 53.3% oxygen. If the molar mass of the compound is 180. Find the molecular formula.

[H = 1, C = 12, O = 16]

jamb 2019

• A. C\(_3\)H\(_6\)O\(_3\)
• B. C\(_6\)H\(_6\)O\(_3\)
• C. C\(_6\)H\(_{12}\)O\(_6\)
• D. CH\(_2\)O

Question 2

When marble is heated to about 1473 K, another white solid is obtained which reacts vigorously with water to give an alkaline solution. The solution contains?

jamb 1985

• A. NaOH
• B. KOH
• C. Mg(OH)₂
• D. Zn(OH)₂
• E. Ca(OH)₂