Nomenclature of alkanes, alkenes, alkynes and cyclic compounds

28 questions on Nomenclature of alkanes, alkenes, alkynes and cyclic compounds from the IUPAC Nomenclature and Structural Isomerism chapter: 4 NEET level, 11 JEE Main, 13 JEE Advanced. Each one opens with its answer and solution.

• What is the IUPAC name of CH3-CH(CH3)-CH2-CH3? NEET level
• What is the IUPAC name of CH3-CH2-C#CH? NEET level
• What is the IUPAC name of the compound consisting of a cyclohexane ring with a methyl group on each of two adjacent ring carbons? NEET level
• What is the IUPAC name of CH3-CH2-CH(CH3)-CH2-CH3? NEET level
• What is the IUPAC name of CH3-CH(CH3)-CH(CH2-CH3)-CH2-CH2-CH3? JEE Main level
• What is the IUPAC name of CH3-CH=C(CH3)-CH2-CH3? JEE Main level
• Name the compound formed by a cyclohexene ring in which one sp2 carbon carries a methyl group and the sp3 carbon next to the other sp2 carbon carries an ethyl g... JEE Main level
• What is the IUPAC name of CH3-CH(CH3)-C#C-CH3? JEE Main level
• Isopropyl is named systematically as 1-methylethyl. What is the IUPAC name of CH3-CH2-CH2-CH(CH(CH3)2)-CH2-CH2-CH2-CH3, using that prefix? JEE Main level
• What is the IUPAC name of (CH3)3C-CH2-CH(CH2-CH3)-CH2-CH3? JEE Main level
• A cyclopentane ring carries a single substituent, the group -CH2-CH(CH3)-CH3. According to the 2013 IUPAC recommendations the ring is the parent hydride. What i... JEE Main level
• What is the IUPAC name of CH2=CH-CH2-C#CH? JEE Main level
• Each statement gives a structure and a proposed IUPAC name. Which of the following is/are correct? JEE Main level
• Which of the following statements about the systematic names of alkyl groups is/are correct? JEE Main level
• In arranging the prefixes of a substituted alkane alphabetically (IUPAC alphanumerical order), which of the following statements is/are correct? JEE Main level
• Lowest locants are decided at the first point of difference, not by the sum of the locants. What is the IUPAC name of CH3-CH(CH3)-CH2-CH2-CH2-C(CH3)2-CH2-CH3? JEE Advanced level
• What is the IUPAC name (2013 rules; lowest locants to all multiple bonds together, then to the double bond if there is a tie) of CH2=C(CH3)-CH2-CH2-C#CH? JEE Advanced level
• A cyclopentane ring carries a methyl group and a 2-methylpropyl group on carbons that are in a 1,3 relationship. What is the IUPAC name of the compound? JEE Advanced level
• A cyclohexene ring carries an ethenyl (vinyl) group on the sp3 carbon next to the ring double bond. Under the 2013 IUPAC recommendations a ring is senior to a c... JEE Advanced level
• What is the IUPAC name of CH3-CH2-CH(CH2-CH2-CH2-CH3)-CH(CH3)-CH3? (When two chains have the same length, choose the one with more substituents.) JEE Advanced level
• A cyclohexane ring carries an ethyl, a methyl and a propyl group on three consecutive ring carbons, with the propyl group on the middle carbon. What is the IUPA... JEE Advanced level
• What is the IUPAC name of CH3-CH2-CH(CH3)-C(CH3)=CH-CH2-CH3? JEE Advanced level
• A cyclohexene ring has a methyl group on each of the two sp2 carbons and an isopropyl group on the sp3 carbon adjacent to one of them. Name it (use the prefix 1... JEE Advanced level
• Each statement gives a structure and a proposed name. Use the rule: lowest locants to all multiple bonds together, and if still tied, to the double bond. Which ... JEE Advanced level
• Consider CH3-CH(CH3)-CH(CH2-CH3)-CH2-CH(CH3)-CH2-CH3. Which of the following statements is/are correct? JEE Advanced level
• Each statement describes a ring compound and proposes a name. Which statement(s) is/are correct? JEE Advanced level
• An alkane of molecular formula C6H14 gives exactly two different monochloro products (structural isomers only) on free-radical monochlorination. What is its IUP... JEE Advanced level
• How many open-chain (acyclic) alkenes of molecular formula C6H12 are possible? Count structural isomers only (do not count E/Z or optical isomers) and exclude c... JEE Advanced level