Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Organic Chemistry
Which of the following have lowest value of pKb in their aqueous solution ?
1
(CH3)2NH
2
(CH3)3N
3
CH3NH2
4
More than one of the above
5
None of the above