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.
When two atoms combine to form a molecule, energy is:
1. | Released. | 2. | Absorbed. |
3. | Neither released nor absorbed. | 4. | Either released or absorbed. |
The correct order of \(\mathrm{C-O}\) bond length among \(\mathrm{CO},\mathrm{CO}_3^{2-},\) and \(\mathrm{CO_2}\) is :
1. \(\mathrm{CO}_2<\mathrm{CO}_3^{2-}<\mathrm{CO} \)
2. \(\mathrm{CO}<\mathrm{CO}_3^{2-}<\mathrm{CO}_2 \)
3. \(\mathrm{CO}_3^{2-}<\mathrm{CO}_2<\mathrm{CO} \)
4. \(\mathrm{CO}<\mathrm{CO}_2<\mathrm{CO}_3^{2-}\)
The bond length can be defined as -
1. | The equilibrium distance between the nuclei of two bonded atoms in a molecule. |
2. | The farthest distance between the nuclei of two bonded atoms in a molecule. |
3. | The shortest distance between the nuclei of two bonded atoms in a molecule. |
4. | None of the above. |
A compound having a metal-to-metal bond is:
1. Cupric chloride
2. Stannous chloride
3. Mercurous chloride
4. Mercuric chloride