question_answer

Which of the following will be most readily dehydrated under acidic conditions?

A)                                

B)  

C)                                 

D)  

Correct Answer: A

Solution :

                \[\beta \text{-}\]hydroxy aldehydes or \[\beta \text{-}\]hydroxyketones (i.e., aldol) readily dehydrated under acidic condition to give \[\alpha ,\,\,\beta \text{-}\]unsaturated aldehyde or ketone.