Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Bond and Molecular Structure
Number of σ and π bonds in benzene, respectively, is:
1
12 and 3
2
3 and 3
3
6 and 3
4
More than one of the above
5
None of the above