Chemical Bonding and Molecular Structure · Chemistry · TS EAMCET

According to molecular orbital theory, which of the following statements is not correct?

The melting point of $o$-hydroxybenzaldehyde $(A)$ is lower than that of $p$-hydroxybenzaldehyde $(B)$. This is because

The bond angles $\mathrm{H}-\mathrm{O}-\mathrm{N}$ and $\mathrm{O}-\mathrm{N}-\mathrm{O}$ in the planar structure of nitric acid molecule are respectively

The number of lone pairs of electrons on central atom of $\mathrm{ClF}_{3}, \mathrm{NF}_{3}, \mathrm{SF}_{4}, \mathrm{XeF}_{4}$ respectively are

The hybridisation of central atom of $\mathrm{BF}_{3}, \mathrm{SnCl}_{2}, \mathrm{HgCl}_{2}$ respectively is

The correct order of boiling points of hydrogen halides is

Identify the set of molecules which are not in the correct order of their dipole moments

Match the following.

List I (Molecule)	List II (Shape)
A $\mathrm{SF}_4$	I. T-shaped
B $\mathrm{CIF}_3$	II. Square planar
C $\mathrm{BrF}_5$	III. See-saw
D $\mathrm{XeF}_4$	IV. Square pyramidal

The correct answer is

Identify the pair in which difference in bond order value is maximum.

The pair of molecules/ions with same geometry but central atoms in them are in different states of hybridisation is

According to Fajan's rules, which of the following is not correct about covalent character?

Consider the following pairs.

$$ \begin{array}{l|l|l} \hline & \text { Order } & \text { Property } \\ \hline \text { (A) } & \mathrm{NO}_2>\mathrm{O}_3>\mathrm{H}_2 \mathrm{O} & \text { Bond angle } \\ \hline \text { (B) } & \mathrm{HF}>\mathrm{H}_2 \mathrm{O}>\mathrm{NH}_3 & \text { Dipole moment } \\ \hline \text { (C) } & \mathrm{I}_2>\mathrm{F}_2>\mathrm{N}_2 & \text { Bond length } \\ \hline \end{array} $$

Which of the above pairs are correctly matched?