Question
Chemistry Question on p -Block Elements
For the isolation of inert gases from air, the nitrogen and oxygen present are removed bypassing air over heated
A
Calcium carbide
B
Copper metal
C
Activated charcoal
D
Finely divided mixture of Pt and Pd
Answer
Calcium carbide
Explanation
Solution
Oxygen and nitrogen present in air can be removed by strongly heating with calcium carbide CaC2+N2−>[Δ]CaCN2+C 2C+O2−>[Δ]2CO