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IUPAC Naming Quiz: Practice Naming Chemical Compounds

Quick, free chemistry nomenclature quiz. Instant feedback on every question.

Editorial: Review CompletedCreated By: Nicola BrownUpdated Aug 23, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustrating a chemistry quiz on IUPAC naming skills on a coral background

This IUPAC naming quiz helps you practice naming chemical compounds and check the rules for ionic and covalent formulas. You'll get instant results and short explanations on each item. Keep learning with iupac naming practice, try naming ionic and covalent compounds, or refresh key anions in a polyatomic ions quiz.

What is the IUPAC name of NaCl?
Sodium chloride
Sodium chlorate
Sodium hypochlorite
Sodium chlorite
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What is the correct name for Fe2O3?
Iron(III) oxide
Iron(II) oxide
Diiron trioxide(II)
Iron oxide(III,III)
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What is the preferred IUPAC name (PIN) for CO?
Monocarbon oxide
Carbon(II) oxide
Carbon oxide
Carbon monoxide
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What is the preferred IUPAC name (PIN) for NO2?
Nitrogen peroxide
Nitrogen dioxide
Dinitrogen oxide
Nitrogen(IV) oxide
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What is the IUPAC name for Ca(OH)2?
Calcium oxide dihydrate
Calcium dihydroxide
Calcium(II) hydroxide
Calcium hydroxide
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What is the correct name for CH3CH2CH2Cl?
Propyl chloride-1
2-Chloropropane
1-Chloropropane
Chloropropyl
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What is the IUPAC name for (CH3)2CHCH3?
Methylpropane-2
Butane-2-methyl
2-Methylpropane
Isobutane (IUPAC)
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CH2=CHCH3 is named
Propyne
Propane
Propene
1-Propane
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CH3CH2CHO is correctly named
Propanoic acid
1-Propyl aldehyde
Propanal
Propanone
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CH3COCH3 is named
Acetone (IUPAC)
2-Propyl ketone
Propanone
Propanal
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Which is the correct name for [Fe(CN)6]4-?
Hexacyanidoferrate(IV)
Hexacyanidoferrate(II)
Hexacyanoiron(II)
Hexacyanoferrate(II)
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[Cu(NH3)4]SO4 is named
Tetraamminecopper(I) sulfate
Tetraaminecopper sulfate(II)
Tetraminecopper(II) sulfate
Tetraamminecopper(II) sulfate
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K3[Fe(C2O4)3] is correctly named
Potassium tris(ethanedioate)ferrate(II)
Potassium tris(oxalato)ferrate(III)
Potassium tris(oxalate)iron(III)
Tripotassium tris(oxalato)ferrate(III)
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HCOOCH3 is named
Methyl methanoate
Methoxymethanone
Methoxy methanal
Methyl formate (IUPAC)
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Which is the preferred IUPAC name (PIN) for isopropyl alcohol?
Propane-2-ol
2-Propyl alcohol
Propan-2-ol
Isopropanol (IUPAC)
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C6H3(CO2H)3 with substituents at 1,3,5 is named
Trimesic acid (IUPAC)
1,3,5-Tricarboxybenzene
Benzene-1,3,5-tricarboxylic acid
1,3,5-Benzenetricarboxylate
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CH3CO-O-COCH3 is named
Acetyl anhydride
Ethanoic anhydride
Diacetyl oxide
Acetic acid anhydride (IUPAC)
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p-Toluenesulfonic acid is called in IUPAC nomenclature
para-Methylbenzenesulfonic acid (IUPAC)
4-Methylbenzene sulfonate acid
4-Methylphenylsulfonic acid
4-Methylbenzenesulfonic acid
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The epoxide derived from ethene is named
Oxirane
Ethenoxide
Ethene epoxide (IUPAC)
Ethyloxirane
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K2S2O8 is correctly named
Potassium peroxosulfate
Potassium peroxodisulfate
Potassium persulfate(VI)
Dipotasium peroxodisulfate
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Study Outcomes

  1. Understand IUPAC nomenclature fundamentals -

    Grasp the basic rules and conventions used in the IUPAC system to name chemical compounds accurately.

  2. Apply systematic naming to simple molecular compounds -

    Use proper prefixes, locants, and suffixes to construct correct names for straightforward organic and inorganic molecules.

  3. Analyze and name complex structures -

    Break down multi-functional and branched molecules to determine parent chains and assign correct IUPAC names.

  4. Differentiate functional groups and substituents -

    Identify and prioritize functional groups, applying appropriate suffixes and prefixes during the naming process.

  5. Utilize strategic approaches in a chemistry nomenclature quiz setting -

    Implement step-by-step tactics to solve naming compounds quiz questions efficiently under time constraints.

  6. Evaluate and improve your naming accuracy -

    Review instant feedback from the quiz to pinpoint errors and strengthen your chemical nomenclature skills over time.

Cheat Sheet

  1. Identify the parent chain -

    Begin by finding the longest continuous carbon chain to determine your parent hydrocarbon; this is the backbone for naming compounds practice. For instance, a six-carbon chain is named "hexane" (IUPAC Blue Book). Accurate chain selection ensures correct suffix usage and consistent substituent placement.

  2. Number the chain for lowest locants -

    Assign carbon numbers so that substituents receive the lowest possible set of locants, following the "lowest set" rule from university-level chemistry nomenclature resources. For example, 2,3-dibromopentane outranks 3,4-dibromopentane because 2+3 is less than 3+4. Remember the mnemonic "Lowest On Carbon, Locate Accurately."

  3. Name and alphabetize substituents -

    Identify alkyl groups (methyl, ethyl) and functional substituents (chloro, fluoro) and list them alphabetically in your chemical nomenclature quiz answers. For example, "1-chloro-2-methylpropane" not "methyl-chloropropane." Consistent substituent naming from ACS guidelines boosts clarity and exam confidence.

  4. Use correct suffixes for functional groups -

    Select the proper suffix (-ol for alcohols, ‑one for ketones, ‑al for aldehydes) based on highest-priority functional groups, as taught in reputable organic chemistry texts. For instance, CH3CH(OH)CH3 becomes "propan-2-ol." A handy memory trick: "OH is happy, hence 'ol.'"

  5. Handle complex names and stereochemistry -

    For branched substituents, enclose them in parentheses and apply R/S or E/Z designations when needed, mirroring advanced IUPAC rules. An example is (R)-2-bromobutane, where CIP priority determines R or S. Practicing these in every naming compounds quiz sharpens both accuracy and speed.

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