Question 1
In the reaction 2Ca(s) + O2(g) → 2CaO(s), which species is oxidized?
◦
O2
◦
O2–
◦
Ca◦
Ca2+
◦
none of these are correctQuestion 2
In the reaction 2Cs(s) + Cl2(g) → 2CsCl(s), Cl2 is:
◦
the reducing agent.◦
the oxidizing agent.◦
oxidized.◦
the electron donor.◦
two of these.