Question

A student burnt magnesium ribbon in a gas jar full of sulphur (IV) oxide gas.

1. State two observations made in the gas jar. 
2. Write an equation for the reaction that took place.

Answer 1

1.    
   • A yellow powder of sulphur was deposited 
   • White solid of magnesium oxide is formed 
2. 2Mg_(s) + SO_2(g) →2MgO_(s) + S _(s)