Of the Reactions Below, Only ________ Is Not Spontaneous

Multiple Choice

Of the reactions below, only ________ is not spontaneous.

A) Mg (s) + 2HCl (aq) → MgCl₂ (aq) + H₂(g)
B) 2Ag (s) + 2HNO₃ (aq) → 2AgNO₃ (aq) + H₂ (g)
C) 2Ni (s) + H₂SO₄ (aq) → Ni₂SO₄ (aq) + H₂ (g)
D) 2Al (s) + 6HBr (aq) → 2AlBr₃ (aq) + 3H₂ (g)
E) Zn (s) + 2HI (aq) → ZnI₂(aq) + H₂ (g)