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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Given that $\left[ {\frac{{{{\left[ B \right]}_t}}}{{{{[C]}_t}}} = \frac{{16}}{9}} \right]$
$A\,\xrightarrow{{{K_1}\, = \,2\, \times \,{{10}^{^{ - 3}\,}}{S^{ - 1}}}}4B$
$A\to C$



(Plank's const. $ h = 6. \times 10^{-34}\, Js\,;$ mass of electron $= 9.1091 \times 10^{-31}\, kg\,;$ charge of electron $e= 1.60210 \times 10^{-19}\, C\,;$ permittivity of vaccum $\epsilon _0 = 8.854185 \times 10^{-12} \,kg^{-1} \,m^{-3} A^2$)