10-item Test On Naming Of Compounds

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| By Mcabana
Mcabana
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Quizzes Created: 5 | Total Attempts: 20,286
| Attempts: 4,225
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  • 1/10 Questions

    Pb(OH)4

    • Lead (II) hydroxide
    • Lead hydroxide
    • Plumbous hydroxide
    • Lead (IV) hydroxide
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About This Quiz

This test will measure how well you understood the rules used in naming compounds. You have 5 minutes to name the compounds given. Tick the letter that corresponds to your answer.

Chemical Nomenclature Quizzes & Trivia

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  • 2. 

    C2H4

    • Carbon hydride

    • Tetracarbon dihydride

    • Dicarbon tetrahydride

    • Hydrogen carbide

    Correct Answer
    A. Dicarbon tetrahydride
    Explanation
    The correct answer is dicarbon tetrahydride because the molecular formula C2H4 indicates that there are two carbon atoms and four hydrogen atoms in the compound. The prefix "di" indicates two carbon atoms, and the prefix "tetra" indicates four hydrogen atoms. Therefore, dicarbon tetrahydride is the appropriate name for this compound.

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  • 3. 

    H2SO4

    • Sulfurous acid

    • Hyposulfurous acid

    • Sulfuric acid

    • Persulfuric acid

    Correct Answer
    A. Sulfuric acid
    Explanation
    The correct answer is sulfuric acid because H2SO4 is the chemical formula for sulfuric acid. Sulfuric acid is a strong acid commonly used in various industrial processes, such as in the production of fertilizers, dyes, and detergents. It is also used in laboratories and can be highly corrosive and dangerous if not handled properly.

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  • 4. 

    CaC2O4

    • Calcium hypooxalite

    • Calcium oxalite

    • Calcium oxalate

    • Calcium peroxalate

    Correct Answer
    A. Calcium oxalate
    Explanation
    Calcium oxalate is the correct answer because the chemical formula CaC2O4 corresponds to calcium oxalate. Calcium oxalate is a compound made up of calcium ions (Ca2+) and oxalate ions (C2O4^2-). It is a white crystalline substance that is commonly found in plants, as well as in the human body where it can form kidney stones.

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  • 5. 

    HI

    • Iodic acid

    • Hydroiodous acid

    • Hydroiodic acid

    • Hypoiodous acid

    Correct Answer
    A. Hydroiodic acid
    Explanation
    Hydroiodic acid is the correct answer because it is formed when hydrogen iodide (HI) dissolves in water. It is a strong acid that is commonly used in various chemical reactions and as a reagent in organic synthesis. The other options, periodic acid, hydroiodous acid, and hypoiodous acid, are different compounds that have different chemical properties and structures.

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  • 6. 

    K4SiO5

    • Potassium persilicate

    • Potassium silicate

    • Potassium silicite

    • Potassium hyposilicite

    Correct Answer
    A. Potassium persilicate
    Explanation
    The correct answer is potassium persilicate because the chemical formula K4SiO5 indicates that there are four potassium atoms (K) and one silicate ion (SiO5) present in the compound. The prefix "per-" in persilicate indicates that the silicate ion has a higher oxidation state compared to normal silicate ions. Therefore, the compound is named potassium persilicate.

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  • 7. 

    AlPO3

    • Aluminum hypophosphite

    • Aluminum phosphite

    • Aluminum phosphate

    • Aluminum perphosphate

    Correct Answer
    A. Aluminum phosphite
    Explanation
    AlPO3 is the chemical formula for aluminum phosphite. This compound consists of one aluminum atom bonded to three oxygen atoms and one phosphorus atom. The prefix "phosph-" in the name indicates the presence of phosphorus, while the suffix "-ite" suggests that the compound contains a lower oxidation state of phosphorus. Therefore, aluminum phosphite is the correct name for AlPO3.

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  • 8. 

    CaCl2 . 2H2O

    • Calcium chloride dihydrate

    • Calcium dichloride dihydrate

    • Calcium chloride dihydride

    • Calcium dichloride dihydride

    Correct Answer
    A. Calcium chloride dihydrate
    Explanation
    The correct answer is calcium chloride dihydrate because the compound CaCl2 . 2H2O is composed of calcium ions (Ca2+) and chloride ions (Cl-) combined with two water molecules (H2O). The prefix "di-" indicates that there are two water molecules present in the compound. Therefore, the correct name for this compound is calcium chloride dihydrate.

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  • 9. 

    HIO4

    • Periodic acid

    • Iodic acid

    • Iodous acid

    • Hypoiodous acid

    Correct Answer
    A. Periodic acid
    Explanation
    Periodic acid is a compound with the chemical formula HIO4. It is a strong oxidizing agent and is commonly used in organic chemistry reactions. The other options, iodic acid, iodous acid, and hypoiodous acid, do not have the same chemical formula as periodic acid. Therefore, periodic acid is the correct answer.

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  • 10. 

    Fe2S3

    • Diferric trisulfide

    • Ferric sulfide

    • Ferrous sulfide

    • Iron (II) sulfide

    Correct Answer
    A. Ferric sulfide
    Explanation
    The correct answer is ferric sulfide because the formula Fe2S3 indicates that there are two iron (Fe) atoms and three sulfur (S) atoms in the compound. The prefix "ferric" refers to iron in its +3 oxidation state, which matches with the formula. Therefore, the compound is correctly named ferric sulfide.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 28, 2009
    Quiz Created by
    Mcabana
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