General Principles of Metallurgy - Advanced Concepts
Q. What is the coordination number of a metal in a complex with a tetrahedral geometry?
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Solution
In a tetrahedral complex, the coordination number is 4, as there are four ligands surrounding the central metal atom.
Correct Answer: B — 4
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Q. What is the coordination number of the central metal ion in a complex with the formula [Co(NH3)6]Cl3?
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Solution
The coordination number is determined by the number of ligands attached to the central metal ion. In this case, there are six NH3 ligands, giving a coordination number of 6.
Correct Answer: C — 6
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Q. What is the pH of a 0.1 M hydrochloric acid solution?
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Solution
Hydrochloric acid (HCl) is a strong acid that dissociates completely in water, so a 0.1 M solution has a pH of 1.
Correct Answer: B — 2
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Q. Which type of bond is primarily formed in ionic compounds?
A.
Covalent bond
B.
Ionic bond
C.
Metallic bond
D.
Hydrogen bond
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Solution
Ionic compounds are formed through ionic bonds, which result from the electrostatic attraction between positively and negatively charged ions.
Correct Answer: B — Ionic bond
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Q. Which type of bond is primarily responsible for the formation of ionic compounds?
A.
Covalent bond
B.
Ionic bond
C.
Metallic bond
D.
Hydrogen bond
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Solution
Ionic bonds are formed through the electrostatic attraction between positively and negatively charged ions.
Correct Answer: B — Ionic bond
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