Identifying Metal Ions and Their Oxidation States Quiz

1. What is the chemical symbol for Copper?

(I) and (III)

(III) and (IV)

(I) and (II)

(II) and (III)

The correct answer is (I) and (II) because the chemical symbol for Copper is Cu, which matches both (I) and (II), while the other options do not represent the correct symbol for Copper.

Explanation

The correct answer is (I) and (II) because the chemical symbol for Copper is Cu, which matches both (I) and (II), while the other options do not represent the correct symbol for Copper.

2. Which elements are represented by the chemical symbol Au?

(II) and (III)

(I) and (IV)

(II) only

(I) and (III)

The correct answer is (I) and (III) as Gold is represented by the chemical symbol Au, which is the first option. The incorrect options include combinations of other elements or just one other element, which do not correspond to the symbol Au.

Explanation

The correct answer is (I) and (III) as Gold is represented by the chemical symbol Au, which is the first option. The incorrect options include combinations of other elements or just one other element, which do not correspond to the symbol Au.

3. Which of the following elements is represented by the chemical symbol Cd?

Gold (Au)

Titanium (Ti)

(I) and (II)

Lead (Pb)

The correct chemical symbol for Cadmium is Cd, represented by (I) and (II). Gold is represented by Au, Lead by Pb, and Titanium by Ti.

Explanation

The correct chemical symbol for Cadmium is Cd, represented by (I) and (II). Gold is represented by Au, Lead by Pb, and Titanium by Ti.

4. What are the common oxidation states of Antimony (Sb)?

(II) and (VI)

(III) and (V)

(IV) and (VII)

(I) and (IV)

Antimony commonly exhibits oxidation states of +3 and +5 due to its electronic configuration and valence electrons distribution. The incorrect oxidation states listed do not align with the typical behavior of Antimony in forming compounds.

Explanation

Antimony commonly exhibits oxidation states of +3 and +5 due to its electronic configuration and valence electrons distribution. The incorrect oxidation states listed do not align with the typical behavior of Antimony in forming compounds.

5. What are the oxidation states of Bismuth (Bi)?

(II) and (VI)

(IV) and (VII)

(III) and (V)

(I) and (IV)

Bismuth can exist in multiple oxidation states, with the most common ones being (III) and (V). The incorrect answers provide different combinations of oxidation states that do not accurately represent the oxidation states of Bismuth.

Explanation

Bismuth can exist in multiple oxidation states, with the most common ones being (III) and (V). The incorrect answers provide different combinations of oxidation states that do not accurately represent the oxidation states of Bismuth.

6. Which of the following symbols represents Mercury?

(V)

(III)

(IV)

(I) and (II)

Mercury is represented by the symbol Hg in the periodic table. (I) and (II) are the correct symbols for Mercury while (III), (IV), and (V) represent other elements.

Explanation

Mercury is represented by the symbol Hg in the periodic table. (I) and (II) are the correct symbols for Mercury while (III), (IV), and (V) represent other elements.

7. Which of the following elements have the chemical symbol Iron (Fe)?

(I) and (II)

(I), (II), and (III)

(I) and (III)

(II) and (III)

Iron is represented by the chemical symbol Fe, which corresponds to option (II) and (III) in the provided list.

Explanation

Iron is represented by the chemical symbol Fe, which corresponds to option (II) and (III) in the provided list.

8. Which of the following is the correct oxidation states for Chromium (Cr)?

(II) and (III)

(I)

(IV)

(V)

Chromium can exhibit multiple oxidation states, with common ones being (II) and (III) based on its electron configuration and chemical properties.

Explanation

Chromium can exhibit multiple oxidation states, with common ones being (II) and (III) based on its electron configuration and chemical properties.

9. Which oxidation states can manganese (Mn) exhibit?

(II), (III), and (IV)

(I) and (III)

(III) and (V)

(IV) and (VI)

Manganese (Mn) can commonly exhibit oxidation states in the II, III, and IV range, making them versatile in chemical reactions and compounds.

Explanation

Manganese (Mn) can commonly exhibit oxidation states in the II, III, and IV range, making them versatile in chemical reactions and compounds.

10. Which of the following is the chemical symbol for Nickel?

(I) Hg

(II) and (III)

(IV) Cu

(II) Os

The correct chemical symbol for Nickel is (Ni), which corresponds to (II) and (III) in the given options. Option (I) corresponds to Mercury (Hg), option (II) corresponds to Osmium (Os), and option (IV) corresponds to Copper (Cu).

Explanation

The correct chemical symbol for Nickel is (Ni), which corresponds to (II) and (III) in the given options. Option (I) corresponds to Mercury (Hg), option (II) corresponds to Osmium (Os), and option (IV) corresponds to Copper (Cu).