Multiple Choice
In the coordination compound [Cr(NH3) (en) 2Cl]Br2, the coordination number (C.N.) and oxidation number (O.N.) of the metal atom are, respectively,
A) C.N. = 6; O.N. = +4.
B) C.N. = 6; O.N. = +3.
C) C.N. = 5; O.N. = +2.
D) C.N. = 4; O.N. = +2.
E) C.N. = 4; O.N. = +3.
Correct Answer:

Verified
Correct Answer:
Verified
Q32: Which of these complex ions would absorb
Q33: The correct formula for sodium tetracyanonickelate(II) ion
Q34: Predict the number of unpaired electrons in
Q35: Which response gives the correct coordination number
Q36: Which of these ligands produces the strongest
Q38: Which of these square planar complex ions
Q39: Copper can be separated from iron
Q40: The correct name of the complex ion
Q41: The chemical formula of triammineaquodichlorochromium(III) chloride is:<br>[Cr(NH<sub>3</sub>)<sub>3</sub>(H<sub>2</sub>O)Cl<sub>2</sub>]Cl
Q42: The total number of electrons in the