Question

$KCl$ is used as an electrolyte in salt bridge because

• A. $K^{+}$ and $C{l}^{-}$ are isoelectronic
• B. Monovalent ions are required
• C. Both the ions have almost same velocity
• D. They are having similar size

Answer 1

Answer: (C)

$KCl$ is used in salt bridge since $K^{+}$ and $C{l}^{-}$ have almost the same ionic velocity.