44. Which metal ion has a \( d^6 \) electron configuration? (A) \( Mn^{2+} \) (B) \( Co^{3+} \) (C) \( Ni^{2+} \) (D) \( Ti^{2+} \) (E) \( Fe^{3+} \)

6. Which of the following statements concerning equilibrium is *not* true? (A) A system that is disturbed from an equilibrium condition responds in such a way as to restore equilibrium. (B) A system moves spontaneously toward a state of equilibrium. (C) Equilibrium in molecular systems is dynamic, with two opposing processes balancing one another. (D) The value of the equilibrium constant for a given reaction mixture is the same regardless of the direction from which equilibrium is attained. (E) The equilibrium constant is independent of temperature.

44. Which metal ion has a \( d^6 \) electron configuration?
(A) \( Mn^{2+} \)
(B) \( Co^{3+} \)
(C) \( Ni^{2+} \)
(D) \( Ti^{2+} \)
(E) \( Fe^{3+} \)

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