How many electrons are transferred in the following reaction?
2 Ir3+(aq) + 3 Zn(s) ⇒ 3 Zn2+ (aq) + 2 Ir(s)
Select one:
a.8
b.2
c.3
d.6
e.4
The reaction involves the transfer of electrons from the Zn atoms to the Ir3+ ions. Each Zn atom loses 2 electrons to become Zn2+ ions, and each Ir3+ ion gains 3 electrons to become Ir atoms. Therefore, for every 2 Ir3+ ions, 6 electrons are transferred.
So, the correct answer is:
d. 6