JEE Main Chemistry question

The stability of complexes of , , and varies in the order **[AMU 2004]**

• (A)Cu^{2+} > Ni^{2+} > Co^{2+} > Fe^{2+}Correct
• (B)Cu^{2+} > Fe^{2+} > Ni^{2+} > Co^{2+}
• (C)Ni^{2+} > Co^{2+} > Fe^{2+} > Cu^{2+}
• (D)Cu^{2+} < Ni^{2+} < Co^{2+} < Fe^{2+}