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Copper is extracted from pyrites by heat...

Copper is extracted from pyrites by heating in a Bessemer converter. The method is based on the principle that

A

Sulhur has less affinity for oxygen at high temperature.

B

Copper has less affinity for oxygen than Sulphur at high temperature

C

Iron has less affinity for oxygen than Sulphur at high temperature.

D

Copper has more affinity for oxygen than Shlphur at high temperature.

Text Solution

Verified by Experts

The correct Answer is:
D
`2Cu_2S + 3O_2 to 2Cu_2 O + 2SO_2`
`Cu_2 S + 2Cu_2O to 6Cu + SO_2`
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