KCET · Chemistry · General Principles and Processes of Isolation of Metals
Cryolite is
- A \( \mathrm{N} a_{3} A l F_{6} \) and is used in the electrolysis of alumina for decreasing electrical conductivity.
- B \( \mathrm{Na}_{3} \mathrm{Al} F_{6} \) (i and is used in the electrolysis of alumina for lowering the melting point of
alumina only. - C \( \mathrm{Na}_{3} \mathrm{Al} F_{6} \) and is used in the electrolysis of alumina for lowering the melting point and
increasing the conductivity of alumina. - D \( \mathrm{Na}_{3} A l F_{6} \) and is used in the electrolytic refining of alumina.
Answer & Solution
Correct Answer
(C) \( \mathrm{Na}_{3} \mathrm{Al} F_{6} \) and is used in the electrolysis of alumina for lowering the melting point and
increasing the conductivity of alumina.
Step-by-step Solution
Detailed explanation
Cryolite is \( \mathrm{N} a_{3} \mathrm{Al} \mathrm{F}_{6} \) and is used in the electrolysis of alumina for lowering the melting point and increasing the
conductivity of alumina.
conductivity of alumina.
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