EXERCISE-1

Nodal planes of $\mathrm{\pi }$ bonds in benzene are located in:

Which of the following compounds have the same no. of lone pairs with their central atom :-

$\left(\mathrm{I}\right) {\mathrm{XeF}}_5^{-}$

$\left(\mathrm{II}\right) {\mathrm{BrF}}_3$

$\left(\mathrm{III}\right) {\mathrm{XeF}}_2$

(IV) Triple methylene

Which of the following option w.r.t. increasing bond order is correct ?

The molecular orbital configuration of ${\mathrm{CN}}^{+}$ is :-

Which of the following has a geometry different from the other three species (having the same geometry) ?

If ethylene molecule lies in $\mathrm{X}$$-\mathrm{Y}$ plane then nodal planes of the $\mathrm{\pi }$-bond will lie in

Stability of ${\mathrm{Cu}}^{+}$ and ${\mathrm{Ag}}^{+}$ halide complexes are in order :

Which of the following is incorrect about $\mathrm{NaCl}$ structure ?