Which of the following organic compounds answers both Iodoform test and Fehlings test

Options

A. ethanal
B. propanone
C. ethanol
D. methanal

Answer

A

Explanation

Acetaldehyde (ethanal) gives red ppt . With Fehling solution.
`CH_(3)CHO+underset("Fehling solution")(2Cu(OH)_(2)+2NaOH)tounderset("redppt.")(CH_(3)COONa+Cu_(2)O+3H_(2)O`
Ethanal also gives yellow ppt . With an alkaline solution of iodine (Lodoform test).
`CH_(3)CHO+4NaOH+3I_(2)tounderset("yellow ppt"" ")(CHI_(3)+HCOONa+3H_(2)O+3NaI)`