MCQ
`The vapour pressure vs. temperature curve for a solution solvent system is shown below.The boiling point of the solvent is $........\,{ }^{\circ} C$
- A$81$
- ✓$82$
- C$83$
- D$84$
Boiling point of solution is $83^{\circ} C$
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$(I) 0.5\ mole$ of $O_3$ $(II) 0.5\ gm$ atom of oxygen $(III) 3.011 \times 10^{23}$ molecules of $O_2$ $(IV) 5.6\ litre$ of $CO_2$ at $STP$
$[{N_2}{O_4}\,(g)\, \rightleftharpoons \,2N{o_2}(g)]$
At $300\,K$ and $1\,atm$ pressure, the degree of dissociation of $N_2O_4$ is $0.2.$ If one mole of $N_2O_4$ gas is contained in a vessel, then the density of the equilibrium mixture is.......$g/L$
| Column $-1$ | Column $-2$ |
| $(A)$ Haber's process for ammonia | $(P)$ Zeolite |
| $(B)$ Oswald's process for $HNO_3$ | $(Q)$ $Fe$ |
| $(C)$ Contact processf $H_2SO_4$ | $(R)$ $ V_2O_5$ |
| $(D)$ Cracking of hydrocarbons | $(S)$ $Pt$ gauge |