M K Verma Solutions for Chapter: Chemical Bonding and Molecular Structure, Exercise 1: TOPICWISE QUESTIONS

Which of the following is correct about the number of electrons in the electronic structure of Acetic acid?

In the structure of ${\mathrm{ClF}}_3$, the number of significant repulsions is

(If $\mathrm{lp}-\mathrm{lp}=\mathrm{x}, \mathrm{lp}-\mathrm{bp}=\mathrm{y}, \mathrm{bp}-\mathrm{bp}=\mathrm{z},$ then $\mathrm{x}+\mathrm{y}+\mathrm{z}=?$):

Which is the largest bond angle around central oxygen atom?

The liquid which is not deflected by a non-uniform electrostatic field is:

Which of the following is homonuclear, paramagnetic and has fractional bond order?

Assuming the Hund's rule violated, the bond order and magnetic nature of the diatomic molecule of ${\mathrm{B}}_2$ is:

Which of the three molecules, ${\mathrm{H}}_2\mathrm{O}, {\mathrm{SF}}_6$ and ${\mathrm{NH}}_3$, has the minimum ratio of $\frac{\mathrm{x}}{\mathrm{y}}$ (where, $\mathrm{x}$ is the magnitude of a bond angle and $\mathrm{y}$ is the number of lone pairs of electrons in the molecule)?

Considering the following three species, identify the incorrect order in the given options.

$\left(\mathrm{i}\right)$ ${\mathrm{ClO}}_4^{-}$ $\left(\mathrm{ii}\right)$ ${\mathrm{SO}}_4^{2-}$ $\left(\mathrm{iii}\right)$ ${\mathrm{PO}}_4^{3-}$