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What do you get when you react benzaldehyde and acetophenone with a base?

Answer 1

I'm assuming with heat involved?

You would get the product of an aldol condensation. Specifically for your case, a chalcone.

The mechanism is:

Can you analogize and draw the mechanism for your compounds? This seems like a question related to a lab, and you should be able to do it from here.

CHALLENGE: Do you know why, conformationally, the second half of the reaction does not involve #beta#-elimination of the hydroxyl on the first step, but the generation of an enolate beforehand instead?

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Answer 2
Ryan Andrews
When benzaldehyde and acetophenone react with a base, such as sodium hydroxide (NaOH), the benzaldehyde undergoes aldol condensation to form benzoin, while acetophenone undergoes crossed-aldol condensation to form dibenzyl ketone.
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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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