JEE Main 8 April 2017 Paper Solved Paper

Section: Chemistry
© examsiri.com
Question : 37 of 90
 
Marks: +1, -0
5 g of Na2SO4was dissolved in x g of H2O The change in freezing point was found to be 3.82°C.If Na2SO4 is 81.5% ionised,the value of x
(kf for water =1.86Ckgmol−1) is approximately : (molar mass of S=32gmol−1 and that of Na=23gmol−1)
[Main 8 April 2017]
Go to Question: