1.

Which of the following pairs of ions would be expected to form precipitate when dilute solutions are mixed?

Answer»

`NA^(+),SO_(4)^(2-)`
`NH_(4)^(+),CO_(3)^(2-)`
`Na^(+),S^(2-)`
`FE^(3+),OH^(-)`

SOLUTION :`Na_(2)SO_(4),(NH_(4))_(2)CO_(3)` and `Na_(2)S` are soluble in water, while `Fe(OH)_(3)` is insoluble in water.


Discussion

No Comment Found

Related InterviewSolutions