The carbon-based reduction method is NOT used for the extraction of
← JEE Advanced 2013 · Paper 2
ChemistryMultiple correct+3 / -1Question 23 of 60
JEE Advanced 2013 · Paper 2, Chemistry question 23
Answer and worked solution
Official answer: C, D
Reactive metals. Al and Mg form oxides too stable to be reduced by carbon at practical temperatures (Ellingham diagram); they are made by electrolysis (Hall-Héroult for Al, fused MgCl₂ for Mg).
Tin (SnO₂ + C) and iron (blast furnace) are extracted by carbon reduction.
(C), (D)