# Question #96121

${F}_{2} + 2 N a C l \to 2 N a F + C {l}_{2}$ is TRUE. I will let you read the explanation and work out the other cases.
Halogens are more reactive as you go up that column in the periodic table, and the more reactive ones will displace the less reactive ones. Example: Fluorine is above chlorine among the halogens, so ${F}_{2}$ does react with $N a C l$ to give $N a F$ and $C {l}_{2}$.