Suppose the concentration of hydroxide ion in the cell is doubled, then the cell
voltage will be:

Reduced by half

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Increased by a factor of 2

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Increased by a factor of 4

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Unchanged

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Solution

The correct option is A Unchanged
As $N a O H$ is used for electrolysis So, $E_{c e l l}$ is independent of $[⊖ O H]$ in this case.

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Suppose the concentration of hydroxide ion in the cell is doubled, then the cell voltage will be:

The correct option is A UnchangedAs NaOH is used for electrolysis So, Ecell is independent of [⊖OH] in this case.

Suppose the concentration of hydroxide ion in the cell is doubled, then the cell
voltage will be:

The correct option is A Unchanged
As $N a O H$ is used for electrolysis So, $E_{c e l l}$ is independent of $[⊖ O H]$ in this case.