1.

The precipitate of CaF_2 (K_s = 1.7 xx 10^-10) is obtained when equal volmes of the following are mixed:

Answer»

`10^(-4)` M `CA^(2+) + 10^(-4)M F^-`
`10^(-2)` M `Ca^(2+) + 10^(-3)M F^-`
`10^(-5)` M `Ca^(2+) + 10^(-3)M F^-`
`10^(-3)` M `Ca^(2+) + 10^(-5)M F^-`

Answer :B


Discussion

No Comment Found

Related InterviewSolutions