Question

A basic oxide will be formed by the element:
A. sulphur
B. phosphorus
C. potassium
D. carbon

Answer 1

Answer:

(B) Phosphorus forms basic oxide

Answer 2

C. Potassium

Explanation:

Potassium is forms a basic oxide with oxygen. Potassium Oxide is a highly insoluble and thermally stable. It is suitable for glass, optic and ceramic applications. Potassium oxide (K2O) or Kalium oxide is an ionic compound of potassium and oxygen. This pale yellow solid, the simplest oxide of potassium, is a rarely encountered, highly reactive compound.

Option C is the answer.