List I (Molecule) |
List II (Number and types of bond/s between two carbon atoms) |
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A. | ethane | I. | \(\mathrm{one ~\sigma-bond~ and~ two~ \pi-bonds}\) |
B. | ethene | II. | \(\text { two } \pi \text {-bonds }\) |
C. | carbon molecule, \(\mathrm{C} _2\) |
III. | \(\text { one } \sigma \text {-bond }\) |
D. | ethyne | IV. | \(\mathrm{one ~\sigma-bond ~and ~one~ \pi-bond}\) |
1. | sp2 and sp3 | 2. | sp2 and sp2 |
3. | sp3 and sp2 | 4. | sp3 and sp3 |
The number of sigma () and pi () bonds in pent-2-en-4-yne is:
1. 13 bonds and no bond
2. 10 bonds and 3 bonds
3. 8 bonds and 5 bonds
4. 11 bonds and 2 bonds