Pure water boils at `99.725^(@)C` at Shimla. If `K_(b)` for water is `0.51 K mol^(-1) kg` the boiling point of `0.69` molal urea solution will be:

At certain Hill-station pure water boils at 99.725^(@)C . If K_(b) for water is 0.513^(@)C kg mol^(-1) , the boiling point of 0.69m solution of urea will be:

At certain Hill-station pure water boils at 99.725^(@)C . If K_(b) for water is 0.513^(@)C kg mol^(-1) , the boiling point of 0.69m solution of urea will be:

At certain Hill-station pure water boils at 99.725^(@)C . If K_(b) for water is 0.513^(@)C kg mol^(-1) , the boiling point of 0.69m solution of urea will be:

At certain Hill-station pure water boils at 99.725^(@)C . If K_(b) for water is 0.513^(@)C kg mol^(-1) , the boiling point of 0.69m solution of urea will be:

At certain Hill-station pure water boils at 99.725^(@)C . If K_(b) for water is 0.513^(@)C kg mol^(-1) , the boiling point of 0.69m solution of urea will be:

At certain Hill-station pure water boils at 99.725^(@)C . If K_(b) for water is 0.513^(@)C kg mol^(-1) , the boiling point of 0.69m solution of urea will be:

Complete the following statements by selecting the correct alternative from the choices given : An aqueous solution of urea freezes at - 0.186^(@)C, K_(f) for water = 1.86 K kg. mol^(-1),K_(b) for water = 0.512 "K kg mol"^(-1) . The boiling point of urea solution will be :

The molal elevation constant of water is 0.51. The boiling point of 0.1 molal aqueous NaCl solution is nearly :