Questions
Which of the following has least pKb value?
detailed solution
Correct option is C
In (3), –NMe2 group is thrown out of the plane of the aromatic ring, i.e. lone pair of electrons on N atom are not involved in conjugation and hence most basic.Hence, the correct answer is (3).Similar Questions
In how many of the following the first one is more acidic than second one.
(1) (I) o -methyl benzoic acid ;(II) benzoic acid
(2) (I) o-methyl benzoic acid ;(II) o - hydroxy benzoic acid
(3) (I) m -chloro phenol ; (II) p -chloro phenol
(4) (I) p -chloro phenol ; (II) p - floro phenol
(5) (I) Phenol ; (II) Acetic acid
(6) (I) Formic acid ;(II) Benzoic acid
(7) (I) Benzoic acid; (II) Acetic acid
(8) (I)Phenol; (II) Carbonic acid
(9) (I) Acetic acid (II) Carbonic acid
Get your all doubts cleared from
Sri Chaitanya experts
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests