1.

Give the IUPAC name of the only aldehyde which undergoes iodoform test.

Answer»

Solution :ETHANAL `(CH_(3)CHO)` CONTAINS the grouping `CH_(3)CO-` and hence undergoes iodorom test and gives yellow ppt. of iodoform `(CHI_(3))` on treatment with `I_(2)//NAOH`.
`underset("Ethanal")(CH_(3)CHO) overset(I_(2)//NaOH) to underset("Iodoform")(CHI_(3))+ underset("Sod. FORMATE")(HCOONa)`.


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