Which of the Following Statements Is True?
A) Labile Is $\Delta$

Multiple Choice

Which of the following statements is true?

A) Labile is a term that refers to the thermodynamic tendency of a substance to decompose.
B) A thermodynamically unstable compound is a compound with a positive standard free energy of formation.
C) Spontaneous reactions always have $\Delta$ S_r ^$\circ$ > 0.
D) Spontaneous reactions always have $\Delta$ G_r ^$\circ$ > 0.
E) Spontaneous reactions always have $\Delta$ H_r ^$\circ$ < 0.