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Q.

The formula for Potassium hydroxide is

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a

NaOH

b

K(OH)2

c

K2O3

d

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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