Chemistry
Grade-9
Easy
Question
Name the compound with the formula KOH.
- Potassium hydride
- Potassium oxide
- Potassium oxygen hydrogen
- Potassium hydroxide
Hint:
Both potassium and hydroxide have unit charges.
The correct answer is: Potassium hydroxide
- From the formula KOH we can conclude both the ions potassium and hydroxide are present in equal quantity.
- Potassium has a +1 charge and hydroxide has a -1 charge.
- The name of the compound KOH is potassium hydroxide.
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