electrochemistry

Question: Saturated solution of $KN{{O}_{3}}$ is used to make ‘salt-bridge’ because

1) Velocity of ${{K}^{+}}$ is greater than that of $NO_{3}^{-}$

2) Velocity of $NO_{3}^{-}$ is greater than that of ${{K}^{+}}$

3) Velocities of both ${{K}^{+}}$ and $NO_{3}^{-}$ are nearly the same

4) $KN{{O}_{3}}$ is highly soluble in water

Solution:

Explanation: No Explanation

Electrochemical cells

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