Which of the following compounds exhibits tau | vedclass

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(A) Tautomerism is a special type of functional isomerism where a chemical compound exists in two or more interconvertible forms that differ in the po

Vedclass · Accepted Answer

$2-$pentanone

Vedclass · Answer

(A) Tautomerism is a special type of functional isomerism where a chemical compound exists in two or more interconvertible forms that differ in the position of at least one hydrogen atom.For a compound to exhibit tautomerism,it must possess an $\alpha$-hydrogen atom adjacent to a polar group (like a carbonyl group,$C=O$).In $2-$pentanone $(CH_3COCH_2CH_2CH_3)$,there are $\alpha$-hydrogen atoms present on the carbon adjacent to the carbonyl group.Therefore,it can undergo keto-enol tautomerism.Phenol,$2-$butene,and lactic acid do not exhibit this specific type of keto-enol tautomerism under standard conditions.

Which of the following compounds exhibits tautomerism?

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Which of the following can exist in meso form?

Identify the pairs of compounds that represent position isomerism:
$(I)$ $CH_3-CH_2-CH_2-CH_2-OH$
$(II)$ $CH_3-CH_2-CH(OH)-CH_3$
$(III)$ $CH_3-C(CH_3)(OH)-CH_3$
$(IV)$ $CH_3-CH(CH_3)-CH_2-OH$
$(V)$ $CH_3-CH_2-O-CH_2-CH_3$
$(VI)$ $CH_3-O-CH_2-CH_2-CH_3$
$(VII)$ $CH_3-O-CH(CH_3)-CH_3$

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