Embibe Experts Solutions for Chapter: Chemical Bonding and Molecular Structure, Exercise 1: Exercise 1

The ion which is not tetrahedral in shape is:

Which of the following molecules have two lone pairs and bond angle$<109.5°$?  (need not be all bond angles)

The following molecules/species have been arranged in the order of their increasing bond orders. Identify the correct order.

($\mathrm{I}$) ${\mathrm{O}}_2$;

($\mathrm{II}$) ${\mathrm{O}}_2^{-}$;

($\mathrm{III}$) ${\mathrm{O}}_2^{2-}$;

($\mathrm{IV}$) ${\mathrm{O}}_2^{+}$;

Which of the following molecules / species have the identical bond order and the same magnetic properties?

(I) ${\mathrm{O}}_2^{+}$

(II) $\mathrm{NO}$

(III) ${\mathrm{N}}_2^{+}$

Which of the following can not be completely hydrolysed in cold water at room temperature ?

$\mathrm{H}-$ bonding is maximum in

Which of the following has minimum melting point

Select the correct statement for the sulphuric acid.

(I) It has high boiling point and viscosity.

(II) There are two types of bond lengths in its bivalent anion.

(III) $\mathrm{p\pi }-\mathrm{d\pi }$ bonding between sulphur and oxygen is observed.

(IV) Sulphur has the same hybridisation that is of boron in diborane.