Identify the homoleptic complex(es) that is/are low spin.
(A) \( \left[\mathrm{Fe}(\mathrm{CN})_5\mathrm{NO}\right]^{2-} \) (B) \( \left[\mathrm{CoF}_6\right]^{3-} \) (C) \( \left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-} \) (D) \( \left[\mathrm{Cr}(\mathrm{H}_2\mathrm{O})_6\right]^{2+} \) (E) \( \left[\mathrm{Co}(\mathrm{NH}_3)_6\right]^{3+} \)
