JEE Main Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

Following method is not used for obtaining Al [UP SEE 2006]

(A)Van ArkelCorrect
(B)Serpeck
(C)Baeyer
(D)Hall-Heroult

Answer: (A)

Solution

Serpeck's process and Baeyer's (Bayer's) process both purify bauxite ore (as part of aluminium extraction), and the Hall-Heroult process electrolyses the resulting alumina to aluminium metal; all three are therefore used in

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Question ID VK-145295