A strong base can abstract an -hydrogen from

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Key Idea : The carbon which is more electrophilic in nature, loses an - H with a base more readily. Among the given compounds, carbonyl carbon ( > C = O ) ie, ketone is more electrophilic in nature, thus loses an - H with a base e g , in aldol condensation reaction -hydrogen atom of aldehyde or ketone is abstracted by a strong base.