During electrolysis of aqueous solution of a salt pH in the space near one of the electrodes is increased. Which of the following salt solution was electrolysed?

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Solution

1) $K C l$ .

2) As here the $K^{+}$ ion that is cation has lower electrode potential as H.

3) Thus hydrogen is liberated at cathode and accumulate at one electrode and results in increase in pH.

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During electrolysis of aqueous solution of a salt pH in the space near one of the electrodes is increased. Which of the following salt solution was electrolysed?

1) KCl . 2) As here the K+ ion that is cation has lower electrode potential as H. 3) Thus hydrogen is liberated at cathode and accumulate at one electrode and results in increase in pH.

1) $K C l$ .

2) As here the $K^{+}$ ion that is cation has lower electrode potential as H.

3) Thus hydrogen is liberated at cathode and accumulate at one electrode and results in increase in pH.