1.

In the production of quinoline this compound is isolated from the reaction mixture by steam distillation. Calculate (a) at what temperature the mixture of water and quinoline will boil under a pressure of `740,mm Hg`. (b) What is the maximum number of grams of quinoline which can be distilled with `1000g` water vapour under this pressure. The temperature dependence of vapour pressure. The temprature dependence of vapour pressure of water and quionoline is given as follows : Molecular weight of quinoline `=129`

Answer» Correct Answer - (a) 98.54`.
(a) This is an immiscible mixture of water and quinoline, so
`P_(1)^(@)+P_(2)^(@)=740`
By the help of table, we can say
`=98.5+((99-98.5))/((741.21727.95))xx(740-727.95)=98.54`.


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