Question

In which of the following group, each member gives a positive iodoform test
A. methanol, ethanol, propanone
B. ethanol, isopropanol, methanal
C. ethanol, ethanal, isopropyl alcohol
D. propanal, propanol-2, propanone

Answer 1

Correct Answer - C
Iodoform test is given by compounds containing
`CH_(3)-overset(OH)overset(|)(CH) or CH_(3)-overset(O)overset(||)(C)-"group"`
`CH_(3)-overset(OH)overset(|)(CH)-H " Ethanol"`
`CH_(3)-overset(O)overset(||)(C)-H " Ethanal"`
`CH_(3)-overset(OH)overset(|)(CH)-CH_(3) " Isopropyl alcohol"`