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Carbon cannot be used in the reduction o...

Carbon cannot be used in the reduction of `Al_(2)O_(3)` because :

A

it is an expensive proposition

B

the enthalpy of formation of `CO_(2)` is more than that of `Al_(2)O_(3)`

C

pure carbon is not easily available

D

the enthalpy of formation of `Al_(2)O_(3)` is too high

Text Solution

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The correct Answer is:
D
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