Why is this a single replacement reaction

  • #1

Main Question or Discussion Point

the equation from my textbook: 2k+2H2O yields 2KOH+H2 why? I thought that such reactions are when one element swaps with another but in this case, there is an extra H2
 

Answers and Replies

  • #2
AGNuke
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  • #3
Borek
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Look at water molecule - what is swapped with what?
 

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