Chemical Bonding and Molecular Structure

Consider a hypothetical order of molecular orbitals (MO) as shown below. Assuming this MO ordering is valid for all the given diatomic molecules listed here, the diatomic molecule that would be paramagnetic is

Consider the following molecular orbitals that are formed by sidewise (or lateral) overlap of adjacent 2 p atomic orbitals of carbons in a conjugated aliphatic chain. The correct order of energies of the molecular…

Three types of potential energy due to attractive interaction between two species $\mathbf{X}$ and $\mathbf{Y}$ are represented by the curves I, II, and III in the figure below. Consider the dominating interaction…

The six structures (I-VI) of molecules where X, Y, Z are atoms of different elements with different electronegativities, are shown below. The molecules are regular tetrahedral species. Assume the bond lengths in all the…

Species that are both isoelectronic and isostructural are:

According to the VSEPR theory, the shapes of $\mathrm{PCl}_5, \mathrm{PCl}_4^{+}$, and $\mathrm{PCl}_3$, respectively, are

It is known that $2 \mathrm{~s}-2 \mathrm{p}$ mixing causes energy order swapping of certain molecular orbitals in some diatomic molecules. The molecular orbitals that swap their energies are

The compound having highest covalent character in the metal-chlorine bond is

The bonding in the species HeH can be sutuded in a way similar to that of the $\mathrm{H}_2$. The correct statement(s) is(are):

The pair of molecules having the same shape is

$\text { The low solubility of LiF and CsI in water is due to }$

The correct statement(s) about the atomic orbital (AO), molecular orbital (MO), and chemical bonding is/are