Question

Enthalpy of formation of two compounds x and y are −84 kJ and −156 kJ respectively. Which of the following statements is CORRECT?

Options

• x is more stable than y

• x is less stable than y

• Both x and y are unstable

• x and y are endothermic compounds

Answer 1

x is less stable than y

Explanation:

The compound y possesses less energy than x and thus y is more stable than x.