1.

Identify the correct order of size of the following

Answer»

`Ca^(2+) LT K^(+)lt AR lt CL^(-)ltS^(2-)`
`Ar lt Ca^(2+) lt K^(+) lt Cl^(-) lt S^(2-)`
`Ca^(2+) lt Ar lt K^(+) ltCl^(-) lt S^(2-)`
`Ca^(2+) lt K^(+) lt Ar lt S^(2-) lt Cl^(-)`

Answer :A


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