A) P > Q > R
B) 0 > P > R
C) Q > R > p
D) R > P > Q
Correct Answer: A
Solution :
As oxygen is more electronegative than nitrogen, so aldehyde is more reactive In ester, the \[-OC{{H}_{3}}\]group reduces the electrophilic character at carbonyl carbon by donating it lone pair. So ester is least reactive towards the attack of nucleophile .
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