How many compounds become aromatic after deprotonation?
  • a)
    2
  • b)
    3
  • c)
    4
  • d)
    5
Correct answer is option 'B'. Can you explain this answer?

Chemistry Question

4 Answers
Gaurav Singh answered Oct 11, 2018
After deprotanation 1st and 3rd and last one is aromatic so total three hence b

Monesh answered Nov 10, 2018
1st 3rd and 4th bcz after deprotonation they wd have 6π electrons in ring which obey huckels rule

Piyali Deb answered Jun 13, 2020
After protonation 1,3 and 6th will gain Aromaticity as it will have 6pi electrons. Hench following huckel's rule

Sateex answered Oct 25, 2018
1,3 and 5. "str 5is also aromatic" because after deprotonation the electron will follow conjugation and the lone pair on oxygen wont be able to participate in huckels rule because that that lone pair on oxygen will lie out of the plane.

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