Some organic compounds containing the C=O group can react with themselves in a process known as aldol condensation.
The mechanism for this reaction in acidic solution is shown here.
Write the overall reaction, identify any intermediates, and determine the role of the hydrogen ion.

Step 1 Step 2 Step 3 Step 4 HC - www. OH || CH, ans CH, HC CH CH, + H+ OH - || CH, CH HC CH, H, C OH+ CH CH CH, + H CH2 OH OH CH CH CH, + H+ CH