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What kind of reaction occurs when potassium is placed in water? a. a single-displacement reaction c. a decomposition reaction b. a double-displacement reaction d. electrolysis
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What kind of reaction occurs when potassium is placed in water? a. a single-displacement reaction c. a decomposition reaction b. a double-displacement reaction d. electrolysis

User Aus
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Answer:

A

Step-by-step explanation:

User Crlanglois
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The equation for potassium in water is:
K(s) + H20(l) --> H2(g) + K20(aq)
since a element and a compound are reacting, this is a single replacement reaction - which is a)
User MtnViewMark
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