Question

A person while burning a magnesium ribbon in air, collected the products in a wet watch glass. The new product obtained was: A. Magnesium oxide B. Magnesium carbonate C. Magnesium hydroxide D. Magnesium chloride​

Answer 1

Magnesium hydroxide

Magnesium ribbon emits white flames as it burns, and the resulting white powder is magnesium oxide. The reaction between magnesium and oxide is what causes it to form. Magnesium hydroxide is created when magnesium oxide is applied to wet watch glass, or (magnesium oxides + water).

Answer 2

• Magnesium Hydroxide.

Step-by-step explanation:

❖ When magnesium ribbon burns in air, it reacts with oxygen to form magnesium oxide (MgO). However, if the product is collected in a wet environment (with water vapor present), the magnesium oxide reacts with water to form magnesium hydroxide (Mg(OH)2). This chemical reaction results in the conversion of magnesium oxide to magnesium hydroxide.

The reaction is :-

• MgO + H2O ➡ Mg(OH)2

Here,

◗ 　MgO - Magnesium oxide

◗ 　H20 - water

◗ 　Mg(OH)2 - magnesium hydroxide.