Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Organic Chemistry
Increasing pKa values of o-, m- and p- nitrobenzoic acid is
1
o- < p-
2
p- < m- < o-
3
o- < m- < p
4
More than one of the above
5
None of the above