12. True/False T F (a) Cd +2 has one unpaired d electron. T F (b) Complexes of C

ID: 525840 • Letter: 1

Question

12. True/False

T F (a) Cd+2 has one unpaired d electron.

T F (b) Complexes of Co+3 are colored , whereas those of Hg+2 are colorless.

T F (c) Complexes with 3 or fewer d electrons cannot form both high- and low-spin

complexes.

T F (d) [Cu(CN)6]-4 is expected to absorb at a longer wavelength than [Cu(H2O)6]+2

T F (e) Generally, Do is smaller than Dt .

T F (f) The Do values for Cr+3 complexes are higher than those for Cr+2 complexes

T F (g) Complexes with strong field ligands tend to be a high spin complexes.

false cadmium does not have unparied electron where all the electron are paired

True Complexes of Co+3 are colored , whereas those of Hg+2 are colorless

True Complexes with 3 or fewer d electrons cannot form both high- and low-spin complexes (it can form only high spin complex only)

false complex with strong field ligands tend to be a low spin complex

True [Cu(CN)6]-4 is expected to absorb at a longer wavelength than [Cu(H2O)6]+2

false The Do values for Cr+3 complexes are lesser than those for Cr+2 complexes

true Generally, Do is smaller than Dt

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