1.

Solubility product constant (K_(sp)) of salts of types MX_(1), MX_(2) and M_(3)X at temperature 'T' are 4.0 xx 10^(-8), 3.2 xx 10^(-14) and 2.7 xx 10^(-15), respectively. Solubilities (mol dm^(-3)) of the salts at temperature 'T' are in order

Answer»

`MX_(1) gt MX_(2) gt M_(3)X`
`M_(3)X gt MX_(2) gt MX_(1)`
`MX_(2) gt M_(3)X gt MX_(1)`
`MX_(1) gt M_(3)X gt MX_(2)`

Solution :`{:(MX1,MX2,M3X,),(S_(1)^(2) = 4 xx 10^(-8),4S_(2)^(3) = 3.2 xx 10^(-14),27 S_(3)^(4) = 2.7 xx 10^(-15),),(S_(1) = 2 xx 10^(-4),S_(2)^(3) = 8 xx 10^(-15),S_(3)^(4) = 10^(-16),),(,S_(2) = 2 xx 10^(-5),S_(3) = 10^(-4),),( rArr S_(1) gt S_(3) gt S_(2),rArr MX_(1) gt M_(3)X gt MX_(2),,):}`


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