Question

$2$-pentanone and $3$-methyl-$2$-butanone are a pair of....... isomers.

• A. functional
• B. chain
• C. positional
• D. stereo

Answer 1

Answer: (B)

$2-$ pentanone and $3$-methyl-$2$-butanone are chain isomers because they differ in carbon skeleton.