ChemistryEasy60×since 2002Q658The number of unpaired d-electrons in [Co(H2O)6]3+\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}[Co(H2O)6]3+ is ________.A0B2C1D4Check answerSkip