ChemistryMedium60×since 2002Q655Number of complexes from the following with even number of unpaired "d\mathrm{d}d" electrons is ________ [V(H2O)6]3+,[Cr(H2O)6]2+,[Fe(H2O)6]3+,[Ni(H2O)6]3+,[Cu(H2O)6]2+[\mathrm{V}(\mathrm{H}_2 \mathrm{O})_6]^{3+},[\mathrm{Cr}(\mathrm{H}_2 \mathrm{O})_6]^{2+},[\mathrm{Fe}(\mathrm{H}_2 \mathrm{O})_6]^{3+},[\mathrm{Ni}(\mathrm{H}_2 \mathrm{O})_6]^{3+},[\mathrm{Cu}(\mathrm{H}_2 \mathrm{O})_6]^{2+}[V(H2O)6]3+,[Cr(H2O)6]2+,[Fe(H2O)6]3+,[Ni(H2O)6]3+,[Cu(H2O)6]2+ [Given atomic numbers: V=23,Cr=24,Fe=26,Ni=28Cu=29\mathrm{V}=23, \mathrm{Cr}=24, \mathrm{Fe}=26, \mathrm{Ni}=28 \mathrm{Cu}=29V=23,Cr=24,Fe=26,Ni=28Cu=29]A1B5C2D4Check answerSkip