Which of the following could result as a product in the aldol condensation reaction?

Write Aldol condensation reaction.

Which of the following reactions does not represent the aldol condensation reaction ?

Which of the following compounds would be the main product of an aldol condensation of acetaldehyde and acetone ?

Which of the following can undergo neither aldol condensation nor iodoform reaction?

The product formed in aldol condensation is

The product formed in aldol condensation is