1.

Among thefollowingwhich onehas thehighcation toanionsize ratio ?

Answer»

`CsI `
`CsF`
`LiF`
`NaF`

SOLUTION :Amongstalkali metalscations(i.e., `Cs^(+)Li^(+),Na^(+)`)
`Cs^(+)` has thelargestsize andamonghalidesi.e., `F^(-) ,I^(-) F^(-)` has thesmallestsize .Thereforeratio of`Cs^(+)`and `F^(-)` is thehighest i.e.,option(B) is CORRECT .


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