Redox Reactions And Electrochemistry Ques 95

Question: The mass of carbon anode consumed (giving only carbondioxide) in the production of 270kg of aluminium metal from bauxite by the Hall process is [CBSE PMT 2005]

Options:

A) 180kg

B) 270kg

C) 540kg

D) 90kg

Show Answer

Answer:

Correct Answer: D

Solution:

$ \frac{{\omega_1}}{E_1}=\frac{{\omega_2}}{E_2} $ ; $ \frac{{\omega_1}}{3}=\frac{270}{93} $ ; $ {\omega_1}=90,kg $ .



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