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Physical Properties of Boron Family

KCl is used i...

Question

$K C l$ is used in the construction of salt bridge because:

K^{+}, C l^{-}

are isoelectronic

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K C l

is an ionic substance

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K^{+}, C l^{-}

have unit charges

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K^{+}, C l^{-}

move with equal mobilities

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Solution

The correct option is D $K^{+}, C l^{-}$ move with equal mobilities
The electrolyte in the salt bridge is so chosen that
it does not react with any of the chemicals used in the cell.
The anion and cation have similar conductivity, and hence similar migratory speed.
K $^{+}$ and Cl $^{-}$ ions have same ionic mobilities.

Option D is correct.

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Similar questions

K^{\oplus}

C l^{⊖}

KCl is used as salt bridge Because,

i)It provides equal number of $K^{+}$ and $C l^{-}$ ions.

ii) $K C l$ as a salt bridge maintains neutrality in the system.

K C l_{(s)} ⟶ K^{+} + C l^{-}

250^{\circ} C

Δ H_{f}^{\circ}

K_{(a q)}^{+}, C l_{(a q)}^{-}

K C l_{(s)}

K C l

K^{+}

{C l}^{-}

K^{+}

{C l}^{-}

K^{+}

{C l}^{-}

{C l}^{-}

□

{C l}^{-}

K^{+}

□

K^{+}

K^{+}

{C l}^{-}

□

{C l}^{-}

K^{+}

{C l}^{-}

{C l}^{-}

K^{+}

{C l}^{-}

K^{+}

□

K^{+}

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