1.

The number ofmillimolse of sodium chloride and each of two sols . S and Y are as follows : {:(,X,Y),(NaCl,51,46),(Mgcl_(2),71,23):} Which of the following would not be reasonalbe value to expect for the amout of the other salt required to cause precipitation .

Answer»

X will be PRECIPITATED by `90` MILLIMOLES of ` AlCl_3`
` Y` will be precipitated by `20` millimoles of ` AlCl_3`
`X` will be precipitated by `25` millimoles of ` Na_2SO_4`
` Y` will be precipitated by `20` millimoles of ` MgSO_4`

SOLUTION :The EFFICIENCY orbder for -ve sol is :
` Na^+ gt Mg^(2+) lt Al^(3+)`


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