Multiple Choice
The metalloproteins hemoglobin and vitamin B12 contain the metals
A) iron and zinc, respectively.
B) cobalt and nickel, respectively.
C) iron and Mo, respectively.
D) manganese and iron, respectively.
E) iron and cobalt, respectively.
Correct Answer:

Verified
Correct Answer:
Verified
Q21: Which of the following complexes is chiral?<br>A)
Q22: What is the shape of Pt(NH<sub>3</sub>)<sub>2</sub>Cl<sub>2</sub> assuming
Q23: In the d-block elements, the third-row metallic
Q24: How many unpaired electrons are predicted for
Q25: Which of the following is the formula
Q27: When one mole of trans-tetraamminedichlorocobalt(III) chloride dissolves
Q28: Which of the following complexes is colorless?<br>A)
Q29: Vanadium metal is produced by the<br>A) reduction
Q30: One mole of pentaamminechlorocobalt(III)chloride dissolves in water
Q31: Which complex,[CoBr<sub>4</sub>]<sup>2</sup>1<sup>-</sup> or [Co(NH<sub>3</sub>)<sub>5</sub>]<sup>3+</sup>,is the more highly