What Is the Total Number of Moles (N) of Electrons $\rarr$

question 50

Multiple Choice

What is the total number of moles (n) of electrons exchanged between the oxidizing agent and the reducing agent in the reaction below to obtain chromium metal
Cr₂O₃(s) + 2Al(s) $\rarr$ 2Cr(l) + Al₂O₃(s)

• A) 1
• B) 2
• C) 3
• D) 6
• E) 21

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