How many total electrons are transferred in the following reaction
B₂H₆(g) + 3O₂(g) $\rarr$ B₂O₃(s) + 3H₂O(l)

Question

How many total electrons are transferred in the following reaction B₂H₆(g) + 3O₂(g) $\rarr$ B₂O₃(s) + 3H₂O(l) A) 2 B) 3 C) 4 D) 6 E) 12

Quizplus · Accepted Answer

In the reaction, each boron atom goes from an oxidation state of 0 in B2H6 to +3 in B2O3, transferring 3 electrons per boron atom. Since there are 2 boron atoms, a total of 6 electrons are transferred. Additionally, each oxygen molecule (O2) gains 4 electrons to form two O^2- ions, and since there are 3 O2 molecules, a total of 12 electrons are transferred. Thus, the total number of electrons transferred is 12.

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