2) Choose one of the following aldehydes that is capable to undergo a self-aldol
reaction?
A) formaldehyde, CH2O
B) butanal, CH3(CH2)2CHO
C) benzaldehyde, C6H5CHO
D) 2-propenal, CH2=CHCHO
Answer:.........
3) The enol form of the following ketone would be?
A) I
B) II
C) III
D) IV
Answer:.........