Multiple Choice
How many unpaired electrons will Co have in the complex [CoCl4]2-?
A) 1
B) 3
C) 4
D) 5
Correct Answer:

Verified
Correct Answer:
Verified
Q125: Using shorthand notation,the electron configuration of Co<sup>3+</sup>
Q126: The absorbance spectrum of a complex along
Q127: The third transition series metals are shown
Q128: Which of the following complex ions is
Q129: Which is a complex ion?<br>A)FeBr<sub>3</sub><br>B)CrO<sub>4</sub><sup>2-</sup><br>C)[Cr(H<sub>2</sub>O)<sub>6</sub>]<sup>3+</sup><br>D)Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>
Q131: Which of the following can function as
Q132: Transition series elements are all<br>A)gases.<br>B)metals.<br>C)nonmetals.<br>D)semimetals.
Q133: Which metal exhibits the highest oxidation state
Q134: Which definition best describes isomers that are
Q135: Consider the following isomers of [Co(NH<sub>3</sub>)<sub>4</sub>Br<sub>2</sub>]<sup>+</sup>.The black