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:A. (a) `100.35`B. (b) `100.08`C. (c ) `99.37`D. (d) None of these

Pure water boils at `99.725^(@)C` at Shimla. If `K_(b)` for water is `

1.	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:A. (a) `100.35`B. (b) `100.08`C. (c ) `99.37`D. (d) None of these
Answer» Correct Answer - B `DeltaT_(b)=Kxx"molality"=0.51xx0.69=0.352` `:. b.pt.=99.725+0.352-100.077^(@)C`

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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:A. (a) `100.35`B. (b) `100.08`C. (c ) `99.37`D. (d) None of these

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