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Effect of substituent on acidic nature
(a) An electron withdrawing substituent that is - I effect stabilizes the anion by dispersing the negative charge and hence increases the acidity.
(b) An electron releasing substituent that + I effect stabilizes negative charge on the anion resulting in the decrease of stability and so decreased the acidity of acid.
Compound A has the molecular formula C 4 H 8 O 2 . Figure 1 gives the infrared spectra of compound A. Table gives the chemical shifts and multiplicity data of the broad-ban
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