$\Delta \text{ }{{\text{T}}_{\text{b}}}\text{ = Kb }\text{. m}$
$0.513\times \left( \frac{0.1}{200}\times 1000 \right)\text{= 0}\text{.256}{{\text{5}}^{o}}$ સે
$\therefore \text{ }{{\text{T}}_{\text{b}}}\text{ = 100}\text{.256}{{\text{5}}^{o}}$ સે
[$A =100 \,g\, mol ^{-1} ; B =200 \,g\, mol ^{-1}$$ C =10,000 \,g\, mol ^{-1}$ના મોલર દળ આપેલ છે ]