Choose the correct option for the following molecule:

                                            

1. Non planar   

2. $\mu \ne 0$   

3. Both (1) and (2)     

4. $\mu =0$

The compound that has the highest ionic character associated with the X-Cl bond is:

1. ${\mathrm{PCl}}_5$ 

2. ${\mathrm{BCl}}_3$

3. ${\mathrm{CCl}}_4$

4. ${\mathrm{SiCl}}_4$

The least polar bond is present in which of the following?

The correct order of increasing s-character (in percentage) in the hybrid orbitals of the following molecules/ions is:

How many possible resonance forms exist for the nitrate ion, \(\text{NO}_3^-\)​?

The shape of $\mathrm{Xe}{{\mathrm{F}}_3}^{+}$ is:

The molecular geometry that is least likely to result from a trigonal bipyramidal electron geometry is:

On the left are given decreasing orders of elements for a certain property and on the right side is given the property. The incorrect order for the given properties is:

1. ${\mathrm{AlF}}_3>\mathrm{MgO}>{\mathrm{MgF}}_2$    : Lattice energy

2. $\mathrm{Li}>\mathrm{Na}>\mathrm{Al}>\mathrm{Mg}$       : Electron affinity

3. ${\mathrm{PF}}_5>$ ${\mathrm{SF}}_6$ $>$ ${\mathrm{SiF}}_4$      : Lewis acidic character

4. ${\mathrm{SiCl}}_4>{\mathrm{SiBr}}_4$ $>{\mathrm{SiI}}_4$   : Decreasing ionic character

O$—$O bond length ($\mathrm{in}<mspace\; width="1em"></mspace>\stackrel{°}{\mathrm{A}}$ ) in  $H_2{O}_2$ and $O_2{F}_2$ is respectively:

The correct order of 'S$—$O' bond length is: