Question

The reaction of sodium with oxygen is
a) Endothermic and spotaneous
b)Exotermic and spontaneous
c)Endothermic and non spontaneous
d) Exotermic and non spontaneous

Answer 1

Answer:

Sodium is a very reactive metal, it tends to react with oxygen to form sodium oxide but this is an unstable compound and soon reacts with hydrogen to form sodium hydroxide. Sodium is the metal reacts vigorously with oxygen and water. 4 Na + O2 → 2 Na2O.

Answer 2

Answer:

exothermic and spontaneous reaction....option b is correct