Multiple Choice
What is the principal ore of chromium?
A) chromite
B) chromate
C) chrome alum
D) stibnite
E) hematite
Correct Answer:
Verified
Correct Answer:
Verified
Q17: Which of the following describes a d<sup>6</sup>
Q18: How many optical isomers do the cis
Q19: Which of the following are constitutional isomers?<br>I.coordination
Q20: What is the correct formula for sodium
Q21: What is the coordination number of iron
Q23: The formula for a platinum(IV)complex is [Pt(NH<sub>3</sub>)<sub>2</sub>Br<sub>2</sub>]Cl<sub>2</sub>.In
Q24: The octahedral complex hexacyanoferrate(III)ion,[Fe(CN)<sub>6</sub>]<sup>3-</sup>,is a low-spin complex.How
Q25: Which of the following complexes can exhibit
Q26: If an octahedral iron(II)complex is paramagnetic,which of
Q27: What is the formula for the hexaaquavanadium(II)ion?<br>A)[V(H<sub>2</sub>O)<sub>6</sub>]<sup>2+</sup><br>B)[V(H<sub>2</sub>O)<sub>4</sub>]<sup>2+</sup><br>C)[V<sub>2</sub>(H<sub>2</sub>O)<sub>6</sub>]<sup>4-</sup><br>D)[V<sub>2</sub>(H<sub>2</sub>O)<sub>6</sub>]<sup>2+</sup><br>E)[V<sub>2</sub>(H<sub>2</sub>O)<sub>6</sub>]<sup>4+</sup>