The number of resonating structures exhibited by \(CO^{2-}_3\) ion are :
1. | 2 | 2. | 3 |
3. | 4 | 4. | 5 |
The condition(s) required for the linear combination of atomic orbital is :
1. | Combining atomic orbitals must have the same or nearly the same energy. |
2. | Combining atomic orbitals must have proper orientations to ensure that the overlap is maximum. |
3. | Both 1 and 2 |
4. | None of the above |
Hybridizations of C1, and C2 in the structure given below are
4. None of the above
H2 molecule on the basis of valence bond theory is formed due to:
1. Attractive forces being more than the repulsive forces.
2. Attractive forces being less than the repulsive forces.
3. No force of attraction.
4. Only repulsive force.
The correct Lewis structure of acetic acid is:
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | None of the above. |
The incorrect statement among the following is:
1. | The sigma bond forms via head-on overlap and the pie bond forms via sidewise overlapping of orbitals. |
2. | s and p orbitals combine to form a sigma bond as well as a pie bond. |
3. | Hybrid orbitals form sigma bonds only. |
4. | Sigma bonds are stronger than pie bonds. |
The significance of the octet rule is:
1. To determine the stability of atoms.
2. To find the hybridization of elements.
3. To calculate the number of lone pairs.
4. None of the above.
The relation between hydrogen bond and the van der Waals forces is:
1. | Both the bonds have equal strength. |
2. | Hydrogen bonds are weaker than van der Waals forces. |
3. | Hydrogen bonds are stronger than van der Waals forces. |
4. | None of the above |