The ease of adsorption of the hydrated alkali metal ions on an ion-exchange resins follows the order (1) L i + < K + < N a + < R b + (2) R b + < K + N a + < L I + (3) K + < N a + < R b + < L i + (4) N a + < L i + < K + < R b +

Options

A. `Li^(+) lt K^(+) lt Na^(+) lt Rb^(+)`
B. `Rb^(+) lt K^(+) lt Na^(+) lt Li^(+)`
C. `K^(+) lt Na^(+) lt Rb^(+) lt Li^(+)`
D. `Na^(+) lt Li^(+) lt K^(+) lt Rb^(+)`

Answer

B

Explanation

`Rb^(+) lt K^(+) lt Na^(+) lt Li^(+)`