Question
Mon February 14, 2011 By: Rishita Gajbhiye

the gibbs energy of formation of Al2O3 & Cr2O3 are -847 & -540 KJ/mol.can Al be used to reduce CrO3 to Cr?explain

Expert Reply
Mon February 21, 2011
Yes Al can reduce Cr2O3 to Cr as the Value for Gibbs energy comes out to be negative.
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