True and false questions about spin complexes and crystal field splitting energies.

Which of the statements below is false? a. In high spin complexes, the crystal field splitting energy is small. b. In low spin complexes, electrons are concentrated in the lower energy orbitals. c. Low spin complexes contain the minimum number of unpaired orbitals. d. Transition metal complexes are often colored, due to 4s to 3d electronic transitions. e. The crystal field splitting energy of a metal complex can sometimes be determined from the absorption spectrum.

Multiple choice question about the characteristics of a diamagnetic complex.

The complex Fe(CN)6 (with a -4 charge) is diamagnetic. Which of the following set of terms best describes the complex? a. high spin, large b. high spin, small c. low spin, large d. low spin, small e. none of the above

Understanding why different complexes of a metal have different colours.

Why might a cyano complex of a metal appear yellow and the chloride complex of the same metal appear green?

Fill in the blank question about the value E.

The more__________ E is for a species, the stronger the reducing strength of the species. a. positive b. negative c. electronegative d. voltaic e. dilute

Multiple choice question on the best reducing agent.

Which species is the best reducing agent? a. sodium ion b. copper(II) ion c. silver metal d. chlorine e. potassium metal