Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Hydrocarbons
The number of sigma (σ) and pi (π) bonds in pent-2-en-4-yne is :
1
10σ bonds and 3π bonds
2
8σ bonds and 5π bonds
3
11σ bonds and 2π bonds
4
More than one of the above
5
None of the above