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Quizzes > Science > Chemistry

Take the Chemical Nomenclature Practice Quiz

Kickstart your organic nomenclature practice with this quick chemistry nomenclature quiz!

Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustration for a chemistry nomenclature quiz on a golden yellow background

This quiz helps you practice chemical nomenclature by naming ions and organic compounds using IUPAC rules. Use quick, timed items to spot gaps before a test and build speed. For warm‑up, try the step‑by‑step practice set , then go deeper with the advanced quiz .

What is the IUPAC name for CH4?
Carbon tetrahydride
Methane
Methanol
Methyl hydride
The simplest alkane with one carbon atom and four hydrogens is named methane according to IUPAC rules. The other names are either informal or refer to different compounds. Methanol is an alcohol with one oxygen atom.
What is the IUPAC name for C2H6?
Dimethyl
Ethane
Ethyne
Ethene
C2H6 is the alkane with two carbon atoms connected by a single bond. Its IUPAC name is ethane. Ethene and ethyne refer to the alkene and alkyne with two carbons.
What is the IUPAC name for CH3 - CH2 - CH3?
Propene
Propanol
Propyne
Propane
Three carbons in a row with single bonds defines an alkane named propane. Propanol would include an - OH group, propene has a double bond, and propyne has a triple bond.
What is the IUPAC name for CH3CH2OH?
Ethanoic acid
Ethylene glycol
Ethanal
Ethanol
An alcohol with two carbons has the suffix - ol, giving ethanol. Ethanal is an aldehyde, and ethanoic acid is the carboxylic acid. Ethylene glycol has two - OH groups.
What is the IUPAC name for CH3 - CH2 - CH2 - OH?
Propan-1-ol
Propanoic acid
Propan-2-ol
Propanal
The - OH is on the first carbon of a three-carbon chain, so the correct name is propan-1-ol. Propan-2-ol would place the hydroxyl on the second carbon. Propanal and propanoic acid are different functional groups.
What is the IUPAC name for CH2=CH - CH3?
Propane
Propenol
Propyne
Propene
A three-carbon chain with a double bond is named propene. Propyne has a triple bond, while propane is saturated. Propenol would imply an alcohol in addition to a double bond.
What is the IUPAC name for HC?CH?
Ethyne diol
Ethene
Ethanol
Ethyne
A two-carbon chain with a triple bond is named ethyne. Ethene is the alkene, and ethanol is the alcohol. There is no such things as ethyne diol.
What is the IUPAC name for CH3 - CH2 - Cl?
Ethyl chloride
1-Chloroethanol
Ethanol chloride
Chloroethane
A two-carbon haloalkane with Cl on the first carbon is named chloroethane. Ethyl chloride is a common name, but not IUPAC. The others misplace the functional group.
What is the IUPAC name for CH3COOH?
Ethanoic acid
Methanoic acid
Acetaldehyde
Formic acid
A two-carbon carboxylic acid is ethanoic acid. Formic acid is methanoic acid with one carbon. Acetaldehyde is the aldehyde form.
What is the IUPAC name for CH3OCH3?
Methyl ether
Methoxy methane
Ethoxy methane
Dimethyl ether
An ether with two methyl groups is systematically named methoxy methane. Dimethyl ether is a common name. Ethoxy methane would have an ethyl substituent.
What is the IUPAC name for CH3CH2NH2?
Ethylamine
Ethanamine
Aminoethane
Ethanimine
The systematic name for a primary amine with two carbons is ethanamine. Ethylamine is a common name. Aminoethane is a nonstandard rearrangement.
What is the IUPAC name for CH3CH(CH3)CH3?
Isobutane
2-Propylmethane
2-Methylpropane
Butane
A three-carbon backbone with a methyl on the second carbon is 2-methylpropane. Isobutane is a common name. Butane is straight-chain. 2-Propylmethane is nonstandard.
What is the IUPAC name for CH3CH2COOH?
Propionic acid
Propanoic acid
Propenoic acid
Butanoic acid
Three-carbon carboxylic acid is propanoic acid by IUPAC. Propionic acid is the common name. Butanoic acid has four carbons, and propenoic acid has a double bond.
What is the IUPAC name for CH3COOCH2CH3?
Ethyl ethanoate
Methyl propanoate
Ethyl acetate
Propyl acetate
An ester naming uses alkyl from the alcohol (ethyl) and acid ending changed to - oate (ethanoate). Ethyl acetate is common. Methyl propanoate refers to different groups.
What is the IUPAC name for CH3CONH2?
Acetamide
Methanamide
Ethanamide
Acetate amide
A two-carbon amide is ethanamide. Acetamide is the common name. Methanamide has one carbon only. Acetate amide is non-systematic.
Which is the correct IUPAC name for CH3CH=CHCH3 in the E configuration?
cis-Butene
(Z)-But-2-ene
(E)-But-2-ene
trans-Butene
E denotes opposite priorities on the double bond, matching trans arrangement. Z denotes same-side substituents. cis/trans are common names.
What is the IUPAC name for C6H6?
Cyclohexatriene
Hexa-1,3,5-triene
1,3,5-Cyclohexadiene
Benzene
The aromatic ring C6H6 is named benzene. Cyclohexatriene is discouraged. Hexa-1,3,5-triene ignores aromaticity.
What is the IUPAC name for p-CH3C6H4OH?
4-Methylbenzyl alcohol
p-Cresol
para-Methylphenol
4-Methylphenol
Phenol is parent, methyl at the 4-position gives 4-methylphenol. p-Cresol is common name. Benzyl alcohol would have - CH2OH.
What is the IUPAC name for CH3OCH2CH2CH3?
1-Methoxypropane
Propyl methyl ether
2-Methoxypropane
Methoxypropane
The ether alkyl on oxygen is methoxy, parent chain propan- with no locant since substituent is on carbon-1. Propyl methyl ether is common.
What is the IUPAC name for CH3CH2CH2NH2?
1-Aminopropane
Propan-1-amine
Propylamine
Propanamine
An amine on carbon-1 of propyl chain is propan-1-amine. Propylamine is common. 1-Aminopropane is non-IUPAC.
What is the IUPAC name for HOCH2CH2OH?
1,2-Ethanediol
Ethane-1,2-diol
Glycol
Ethylene glycol
The systematic name is ethane-1,2-diol with two hydroxyls. Ethylene glycol is common. 1,2-ethanediol lacks dash notation.
What is the IUPAC name for CH3COCH2CH2Cl?
4-Chlorobutan-2-one
Chloroacetone
2-Oxo-4-chlorobutane
Butan-2-one, 4-chloro
The ketone has highest priority at carbon-2, chlorine is on carbon-4 giving 4-chlorobutan-2-one. Chloroacetone is common. Other forms ignore correct prefix ordering.
What is the IUPAC name for a six-membered ring with an =O at C1 and - OH at C4?
4-Oxocyclohexanol
Cyclohexan-1-one, 4-ol
4-Hydroxycyclohexanone
Cyclohexanone-4-ol
Cyclohexanone is parent, hydroxyl on C4 gives cyclohexan-4-ol-1-one as systematic but simplified IUPAC is cyclohexanone-4-ol. Other forms misplace numbering.
What is the IUPAC name for CH3OOCCH2COOCH3?
Methyl 3-oxobutanoate
Dimethyl succinate
Dimethyl butane-1,4-dioate
Methoxy carbonyl propanate
A four-carbon diacid ester is butane-1,4-dioate with two methyl esters. Dimethyl succinate is common. The others describe different structures.
What is the IUPAC name for HCON(CH3)2?
Methanamide, N,N-dimethyl
N,N-Dimethylmethanamide
Dimethylformamide
N,N-Dimethylformamide
The parent amide is methanamide with two methyl substituents on nitrogen, giving N,N-dimethylmethanamide. DMF is common. The third option misses methanamide.
What is the IUPAC name for CH3 - CH(OH) - CH2 - COOH?
3-Hydroxybutanoic acid
2-Hydroxybutanoic acid
Butane-1,3-diol
3-Butanol acid
Four-carbon carboxylic acid with - OH on carbon-3 is named 3-hydroxybutanoic acid. Option C misnumbers the OH. Butane-1,3-diol lacks the acid group.
What is the IUPAC name for CHCl=CHF?
Chloro-fluoroethene
(Z)-1-Chloro-2-fluoroethene
1-Chloro-2-fluoroethylene
(E)-1-Chloro-2-fluoroethene
With halogens as substituents, E configuration has opposite high-priority groups. IUPAC uses ethene suffix. '1-' locant is mandatory.
What is the IUPAC name for a cyclopentane with two methyls at C1 and C3?
3,1-Dimethylcyclopentane
1,3-Dimethylcyclopentane
Dimethylcyclopentane
Cyclopentane-1,3-dimethyl
Two methyls on C1 and C3 of cyclopentane gives 1,3-dimethylcyclopentane. Order of locants ascends. Simple 'dimethyl' omits positions.
What is the IUPAC name for CH3CHBrCHBrCH3?
2,3-Dibromo-2,3-butanediol
2,3-Dibromobutane
1,2-Dibromobutane
Butane-2,3-dibromide
Butane with bromines on carbons 2 and 3 is 2,3-dibromobutane. 'Dibromide' is incorrect suffix. Others misplace substituents or add extra groups.
What is the IUPAC name for (CH3)3COH?
2,2-Dimethylpropanol
2-Methylpropan-2-ol
tert-Butanol
2-Methyl-2-propanol
A tertiary butanol is named 2-methylpropan-2-ol under IUPAC. 'tert-Butanol' is common. Option C lacks proper locants.
What is the IUPAC name for CH2=C(CH3)2?
Isobutene
2-Propylpropene
2-Methylprop-1-ene
3-Methylpropene
A three-carbon chain with double bond at C1 and a methyl at C2 gives 2-methylprop-1-ene. Isobutene is common. Other names misidentify substituent position.
What is the IUPAC name for CH3C(Cl)(Cl)CH(CH3)CH3?
2,2-Dichlorobutyl methyl
3-Methyl-2,2-dichlorobutane
Butane-2,2-dichloro-3-methyl
2,2-Dichloro-3-methylbutane
Numbering gives lowest set: dichloro on C2 and methyl on C3 yields 2,2-dichloro-3-methylbutane. Proper order is alphabetic.
What is the IUPAC name for the bicyclic ketone C10H16O known as camphor?
2,2,7-Trimethylbicyclo[3.1.1]heptan-1-one
1,7,7-Trimethylbicyclo[3.2.1]octan-2-one
2,2,7-Trimethylbicyclo[2.2.1]heptan-3-one
1,7,7-Trimethylbicyclo[2.2.1]heptan-2-one
Camphor is named as a bicyclo[2.2.1]heptane with ketone at C2 and methyls at C1 and both bridgehead carbons (7,7). Correct numbering yields 1,7,7-trimethylbicyclo[2.2.1]heptan-2-one.
What is the IUPAC name for CH3C(OH)(CH3)CH2CH=C(CH3)2?
3,4-Dimethylhex-2-en-1-ol
Hex-3-en-2-ol, 4-methyl
4-Methylhex-3-en-2-ol
5-Methylhex-3-en-2-ol
The longest chain of six with double bond at C3 and OH at C2 plus methyl at C4 yields 4-methylhex-3-en-2-ol. Numbering ensures lowest locants.
What is the IUPAC name for C7H13N, the bicyclic amine quinuclidine?
1-Azabicyclo[2.2.2]octane
2-Azabicyclo[2.2.2]octane
3-Azabicyclo[2.2.2]octane
1-Azabicyclo[3.2.1]octane
Quinuclidine is a bicyclo[2.2.2]octane with a nitrogen at bridgehead position 1, giving 1-azabicyclo[2.2.2]octane. Other positions misplace the nitrogen.
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Study Outcomes

  1. Apply IUPAC Naming Rules -

    Use systematic IUPAC guidelines to accurately name organic compounds, including substituents, numbering, and stereochemistry.

  2. Differentiate Organic and Inorganic Nomenclature -

    Distinguish naming conventions between organic and inorganic compounds and master the chemical nomenclature practice for each class.

  3. Identify Functional Group Prefixes and Suffixes -

    Recognize key functional groups and correctly assign their prefixes and suffixes to generate precise compound names.

  4. Interpret Complex Structural Formulas -

    Translate diverse chemical structures into accurate IUPAC names during this chemical nomenclature quiz challenge.

  5. Evaluate Your Nomenclature Proficiency -

    Use quiz feedback to assess strengths and pinpoint areas for improvement in your organic nomenclature practice.

  6. Reinforce Foundational Naming Concepts -

    Solidify your understanding of core principles, such as alkane, alkene, and alkyne naming, for faster, more accurate results.

Cheat Sheet

  1. Hydrocarbon Root Naming -

    Master the IUPAC root names by identifying the longest carbon chain and assigning the correct suffix (-ane, ‑ene, ‑yne). For example, pentane (C5H12) becomes pentene if you introduce a double bond as in 1-pentene. Use the mnemonic "METH, ETH, PROP, BUT, PENT, HEX" to quickly recall chain lengths during your chemical nomenclature practice.

  2. Functional Group Priority -

    Remember the hierarchy: carboxylic acids > aldehydes > ketones > alcohols > amines, assigning the highest priority group as the suffix. For instance, 3-hydroxybutanoic acid correctly positions the acid suffix (-oic acid) over the alcohol (-ol). This rule is vital for your organic nomenclature practice and appears often in every nomenclature quiz.

  3. Numbering and Substituent Order -

    Assign the lowest possible locants to substituents and list them alphabetically, ignoring numerical prefixes like di- or tri-. An example is 2-ethyl-3-methylhexane, where ethyl precedes methyl. A helpful trick is "alphabetize early" to avoid mistakes in chemical nomenclature practice.

  4. Coordination Compound Nomenclature -

    In coordination chemistry, name ligands alphabetically before the central metal with its oxidation state in Roman numerals, such as tetraamminecopper(II) for [Cu(NH3)4]2+. Use prefixes (di-, tri-) for identical ligands and remember "ammine" ends with ‑e. Practicing these rules strengthens your chemistry nomenclature quiz skills and boosts confidence in inorganic nomenclature.

  5. Stereochemistry Descriptors (R/S, E/Z) -

    Apply the Cahn - Ingold - Prelog rules to assign R or S to chiral centers, such as (R)-2-chlorobutane, and use E/Z for double bonds like (E)-2-butene. Visualizing priority order of substituents helps clarify configuration quickly. Adding these prefixes in your chemical nomenclature practice ensures precision and is often tested in every nomenclature quiz.

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