Transition Elements and Coordination Chemistry Basics - Problem Set
Q. In redox reactions, which of the following statements is true?
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A.
Oxidation is the gain of electrons.
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B.
Reduction is the loss of electrons.
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C.
Oxidizing agents are reduced.
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D.
Reducing agents are oxidized.
Solution
Oxidizing agents are reduced as they gain electrons during redox reactions.
Correct Answer: C — Oxidizing agents are reduced.
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Q. What is the coordination number of the central metal ion in the complex [Fe(CN)6]3-?
Solution
The coordination number is 6 because there are six cyanide ligands coordinated to the iron ion.
Correct Answer: C — 6
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Q. What is the primary use of zinc in metallurgy?
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A.
As a catalyst
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B.
In galvanization
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C.
In alloy formation
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D.
As a reducing agent
Solution
Zinc is primarily used in galvanization to protect iron and steel from corrosion.
Correct Answer: B — In galvanization
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Q. What type of isomerism is shown by [Co(NH3)4Cl2]+?
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A.
Geometric
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B.
Optical
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C.
Linkage
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D.
Coordination
Solution
The complex [Co(NH3)4Cl2]+ exhibits geometric isomerism due to the different arrangements of ligands.
Correct Answer: A — Geometric
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