Embibe Experts Solutions for Chapter: Some Basic Concepts of Chemistry, Exercise 5: Exercise 5

In a $20$ litre vessel, initially each has $1-1 \mathrm{mole}$ $\mathrm{CO}, {\mathrm{H}}_2\mathrm{O},{\mathrm{CO}}_2$ present, then for the equilibrium of $\mathrm{CO}+{\mathrm{H}}_2\mathrm{O}\rightleftharpoons {\mathrm{CO}}_2+{\mathrm{H}}_2$, following is true :

$12 \mathrm{lit}$. of ${\mathrm{H}}_2$ and $11.2 \mathrm{lit}$. of ${\mathrm{Cl}}_2$ are mixed and exploded. The composition by volume of mixture is:
 

$1$ mole of a gaseous aliphatic compound ${\mathrm{C}}_{\mathrm{n}}{\mathrm{H}}_{3\mathrm{n}}{\mathrm{O}}_{\mathrm{m}}$ is completely burnt in an excess of oxygen. The contraction in volume is: (assume water get condensed out)

One mole of a gas is defined as:

If all the oxygen atoms present in $4$ moles ${\mathrm{H}}_2{\mathrm{SO}}_4,$ $2$ moles ${\mathrm{P}}_4{\mathrm{O}}_{10}$ and $2$ moles ${\mathrm{NO}}_2$ are collected for the formation of ${\mathrm{O}}_2$ gas molecules. Calculate the volume of ${\mathrm{O}}_2$ gas formed at $2 \mathrm{atm}$ pressure and $273\mathrm{k}$ temperature.

One gram equimolecular mixture of ${\mathrm{Na}}_2{\mathrm{CO}}_3$ and ${\mathrm{NaHCO}}_3$ is reacted with $0.1 \mathrm{N} \mathrm{HCl}$, the millilitres of $0.1 \mathrm{N} \mathrm{HCl}$ required to react completely with the above mixture is

$100$ millimoles of dichloroacetic acid $\left({\mathrm{CHCl}}_2\mathrm{COOH}\right)$ can neutralize how many moles of ammonia to form ammonium dichloroacetate?

${\mathrm{HNO}}_3$ oxidizes ${\mathrm{NH}}_4^{+}$ ions to nitrogen and itself gets reduced to ${\mathrm{NO}}_2$. The number of moles of ${\mathrm{HNO}}_3$ required by $1 \mathrm{mol}$ of ${\left({\mathrm{NH}}_4\right)}_2{\mathrm{SO}}_4$ is