Which of the following alkanes give exactly one monochloro derivative on free-radical chlorination?

A2,2-Dimethylpropane
B2,2,4,4-Tetramethylpentane
C2,2,3,3-Tetramethylbutane
D2,3-Dimethylbutane

Answer: A, C

Count distinct H types: 2,2-dimethylpropane 1; 2,2,4,4-tetramethylpentane 2 (tert-butyl methyls and the central CH2); 2,2,3,3-tetramethylbutane 1; 2,3-dimethylbutane 2 (CH3 and CH). Exactly one: A, C.

Practice IUPAC Nomenclature and Structural Isomerism More on Counting structural isomers

Previous questionNext question

More questions on Counting structural isomers

Of the nine structural isomers of heptane, C7H16, how many contain a quaternary carbon (a carbon bonded to four other carbon atoms)? JEE Advanced level
Which of the following statements about open-chain isomers of C5H12O (alcohols and ethers, structural isomers only) is/are correct? JEE Advanced level
Which of the following classes contain exactly 4 structural isomers? JEE Advanced level
Which of the following statements about dichloro derivatives (structural isomers, no stereoisomers) is/are correct? JEE Advanced level
Which of the following statements about aromatic (benzene ring containing) structural isomers is/are correct? JEE Advanced level
Which of the following sets contain only compounds that are structural isomers of one another? JEE Advanced level