KCET 2023 Chemistry Solved Paper

A sample of water is found to contain 5.85%(‌

w

w

) of AB (molecular mass 58.5 ) and 9.50%(‌

w

w

)‌XY (molecular mass 95 ). Assuming 80% ionisation of AB and 60% ionisation of XY2, the freezing point of water sample is
[Given : Kf for water 1.86K‌kg‌mol−1, Freezing point of pure water is 273K and A, B and Yare monovalent ions]