QUESTION 3 MC34m Whish is the most correct statement? :o: ? H2O :o: ? H20+ A an

Question

QUESTION 3 MC34m Whish is the most correct statement? :o: ? H2O :o: ? H20+ A an ester is a stronger Bronsted acid than a ketone because the oxygen in the ?-position to the c-o bond is electron donating B an ester is a stronger Bronsted acid than a ketone because the oxygen in the ?-position to the c-o bond is electron withdrawing C an ester is a weaker Bronsted acid than a ketone because the oxygen in the a-position to the C O bond is electron donating D an ester is a weaker Bronsted acid than a ketone because the oxygen in the ?-position to the c-o bond is electron withdrawing

Explanation / Answer

the correct option is C that is an eesterr is a weaker bronsted acid than a ketone because the oxygen in the alpha position to the C=O bond s eleectron donating.

generally esters are less reactive than ketones since the -OR group in ester is a stronger electron donar and undergo resonance stabilised. so the actve methylene groups do not release protons effectively hence esters are  weaker bronsted acids.

whereas in ketone such resonance do not exist hence ketones reactivity is more. ketones acts as stronger bronsted acids compared to esters.

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