Question 1
Which of the following species is diamagnetic?
◦ a low-spin octahedral Os
2+ complex
◦ a high-spin octahedral Ru
2+ complex
◦ an isolated, gas-phase Ni
2+ ion
◦ an isolated, gas-phase Co
2+ ion
Question 2
How many
d electrons are there on the Fe metal atom in Li
3[Fe(OH)
6]?
◦ 5
◦ 1
◦ 3
◦ 6