The formula for Potassium hydroxide is

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NaOH

K {(OH)}_{2}

K_{2} O_{3}

KOH

answer is B.

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Detailed Solution

The chemical formula of any base generally written by the combination of metal and hydroxide group. Hence, the chemical formula of potassium hydroxide (KOH) is obtained from

K^{+} and {OH}^{-}

as per criss cross method.

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