1) In keto-enol tautomerism of dicarbonyl compounds; the enol-form is preferred in contrast to the keto-form, this is due to A) presence of carbonyl group on each side of $CH_{2}-CH_{2}$-group B) resonance stabilisation of enol form C) presence of methylene group D) rapid chemical exchange Answer: Option BExplanation:resonance stabilisation of enol form is
