JEE Main Chemistry question

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

Not in JEE Main or NEET syllabus

Aluminium oxide is not reduced by chemical reactions since

(A)Aluminium oxide is reactive
(B)Reducing agents contaminate
(C)Aluminium oxide is highly stableCorrect
(D)The process pollutes the environment

Answer: (C)

Solution

has an extremely high (very negative) enthalpy of formation, making it thermodynamically very stable and difficult to reduce with ordinary chemical reducing agents like

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Question ID VK-138416