Multiple Choice
Which of the following transition elements can have an oxidation number of +7?
A) V
B) Cr
C) Mn
D) Fe
E) Co
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Which of the following octahedral complexes should
Q3: Write the formula for diamminedichloroethylenediaminecobalt(III) bromide.<br>A)[CoCl<sub>2</sub>(en)(NH<sub>3</sub>)<sub>2</sub>]Br<br>B)[CoCl<sub>2</sub>(en)(NH<sub>3</sub>)<sub>2</sub>]Br<sub>2</sub><br>C)[CoCl<sub>2</sub>(en)<sub>2</sub>(NH<sub>3</sub>)<sub>2</sub>]Br<br>D)[CoCl<sub>2</sub>(en)<sub>2</sub>(NH3)<sub>2</sub>]Br<sub>2</sub><br>E) None
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Q9: According to Valence Bond theory, in the
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