A carbonyl compound with molecular mass 86, does not reduce Fehling's solution but forms crystalline bisulphite derivative and gives iodoform test. The possible compound is

Options

A. 2-pentanone and 3-pentanone
B. 2-pentanone and 3-methyl-2-butanone
C. 2-pentanone and pentanal
D. 3-pentanone and 3-methyl-2-butanone

Answer

B

Explanation

Both 2-pentanone and 3-methyl-2-butanone being methyl ketones form crystalline bisulphite derivative and give iodoform test.