Waec Model Questions Vol1 2022 Chemistry Question 37
Practice objective / multiple choice question 37 from the 2022 Waec Model Questions Vol1 Chemistry examination.
A non‑metal element Y forms two oxides: oxide A with formula Y₂O₃ and oxide B with formula YO₂. When 1 mol of oxide A reacts with excess water it yields 4 mol of H₃YO₃, and when 1 mol of oxide B reacts with excess NaOH it yields 4 mol of Na₃YO₄. Identify the element Y and write the balanced equation for the formation of oxide A from its element and oxygen.
Answer Options
About This Question
This is Waec Model Questions Vol1 2022 Chemistry Question 37. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.