Transition metals

Which ion has yellow colour?

• [Fe(H2O)6]2+

• [CoCl4]2-

• [Cu(H2O)6]2+

• [CuCl4]2-

Which ion has yellow colour?

• [Cr2O7]2-

• [CrO4]2-

• [Cr(OH)6]3-

• [VO]2+

Which ion has yellow colour?

• [Fe(H2O)6]3+

• [Co(NH3)6]3+

• [Cr(H2O)6]3+

• [Co(H2O)6]2+

Which ion has yellow colour?

• [V(H2O)6]2+

• [VO2]+

• [Cu(NH3)4(H2O)2]

• [Fe(H2O)6]2+

Which ion is NOT yellow?

• [CuCl4]2-

• [Fe(H2O)6]3+

• [Cr2O7]2-

• [VO2]+

Which ion is NOT a shade of blue?

• [VO]2+

• [Co(H2O)6]2+

• [Cu(NH3)4(H2O)2]

• [CoCl4]2-

Which ion is violet?

• [Cr(NH3)6]3+

• [Cr(H2O)6]2+

• [Fe(H2O)6]2+

• [Co(H2O)6]2+

Which ion is violet?

• [Co(NH3)6]3+

• [CoCl4]2-

• [V(H2O)6]2+

• [Cr(OH)6]3-

Which ion is green?

• [Cr(NH3)6]3+

• [Co(NH3)6]3+

• [Fe(H2O)6]3+

• [Fe(H2O)6]2+

Which ion is green?

• [Co(NH3)6]2+

• [Cr(OH)6]3-

• [Cr(NH3)6]3+

• [Co(NH3)6]3+