In the following reactions, product A and B are:

12.01.2019 Shift 1 Synergy JEE Mains D70

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Option 2 : 12.01.2019 Shift 1 Synergy JEE Mains D72
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JEE Main 04 April 2024 Shift 1
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Concept:

The reactant in presence of dil. \({\rm{NaOH}}\) Undergoes intermolecular aldol condensation reaction. 

As a result of this, β-hydroxyketone (a) is obtained which on hydrolysis followed by heating produces α, β-unsaturated ketone (b).

12.01.2019 Shift 1 Synergy JEE Mains D75

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