Question
Chemistry Question on GROUP 1 ELEMENTS
On heating quick lime with coke in an electric furnace we get:
A
Ca and CO2
B
CaCO3
C
CaO
D
CaC2
Answer
CaC2
Explanation
Solution
Quick lime (CaO) is heated with carbon at 2000∘C to form calcium carbide. CaO+3C−>[200∘C]CaC2+CO