QuestionSeptember 19, 2025

Name the following organic compounds: compound name square CH_(2)-CH_(2)-CH_(3) downarrow CH_(3)-CH_(2)-C-CH_(2)-CH_(2)-CH_(3) CH_(3)-CH_(2)-CH_(2) square CH_(3)-CH_(2)-CH_(2) CH_(3)-CH_(2)-CH_(2)-C-CH_(2)-CH_(2)-CH_(3) downarrow CH_(2)-CH_(3) square square CH_(3) downarrow CH_(3)-CH_(2)-CH_(2)-CH_(3) CH_(3)-CH_(3) square square

Name the following organic compounds: compound name square CH_(2)-CH_(2)-CH_(3) downarrow CH_(3)-CH_(2)-C-CH_(2)-CH_(2)-CH_(3) CH_(3)-CH_(2)-CH_(2) square CH_(3)-CH_(2)-CH_(2) CH_(3)-CH_(2)-CH_(2)-C-CH_(2)-CH_(2)-CH_(3) downarrow CH_(2)-CH_(3) square square CH_(3) downarrow CH_(3)-CH_(2)-CH_(2)-CH_(3) CH_(3)-CH_(3) square square
Name the following organic compounds:
compound	name
square  CH_(2)-CH_(2)-CH_(3) downarrow CH_(3)-CH_(2)-C-CH_(2)-CH_(2)-CH_(3) CH_(3)-CH_(2)-CH_(2) square 
CH_(3)-CH_(2)-CH_(2) CH_(3)-CH_(2)-CH_(2)-C-CH_(2)-CH_(2)-CH_(3) downarrow CH_(2)-CH_(3) square  square 
CH_(3) downarrow CH_(3)-CH_(2)-CH_(2)-CH_(3) CH_(3)-CH_(3)
square  square

Solution
4.5(259 votes)

Answer

1. 3-butyl-3-ethyl-3-propylhexane ### 2. 4-ethyl-4-propylheptane ### 3. 2,2,2,3-tetramethylpentane Explanation 1. Identify the longest carbon chain Find the main (parent) chain in each structure for base name. 2. Number the chain for lowest substituent positions Assign numbers to carbons so substituents get lowest possible locants. 3. Name and locate substituents Identify alkyl groups attached, assign their positions, and use prefixes if needed. 4. Assemble IUPAC names Combine substituent names/positions with parent chain name. --- Compound 1: - Longest chain: 6 carbons (hexane). - Substituents: Ethyl at C-3, propyl at C-3, butyl at C-3. - Name: 3-butyl-3-ethyl-3-propylhexane Compound 2: - Longest chain: 7 carbons (heptane). - Substituents: Ethyl at C-4, propyl at C-4. - Name: 4-ethyl-4-propylheptane Compound 3: - Longest chain: 5 carbons (pentane). - Substituents: Three methyls at C-2, one methyl at C-3. - Name: 2,2,2,3-tetramethylpentane

Explanation

1. Identify the longest carbon chain<br /> Find the main (parent) chain in each structure for base name.<br /><br />2. Number the chain for lowest substituent positions<br /> Assign numbers to carbons so substituents get lowest possible locants.<br /><br />3. Name and locate substituents<br /> Identify alkyl groups attached, assign their positions, and use prefixes if needed.<br /><br />4. Assemble IUPAC names<br /> Combine substituent names/positions with parent chain name.<br /><br />---<br /><br /> Compound 1:<br />- Longest chain: 6 carbons (hexane).<br />- Substituents: Ethyl at C-3, propyl at C-3, butyl at C-3.<br />- Name: 3-butyl-3-ethyl-3-propylhexane<br /><br /> Compound 2:<br />- Longest chain: 7 carbons (heptane).<br />- Substituents: Ethyl at C-4, propyl at C-4.<br />- Name: 4-ethyl-4-propylheptane<br /><br /> Compound 3:<br />- Longest chain: 5 carbons (pentane).<br />- Substituents: Three methyls at C-2, one methyl at C-3.<br />- Name: 2,2,2,3-tetramethylpentane
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