Which of the following is a double replacement reaction?
K2S + CoCI2 -> 2KCI + CoS
Ca + 2H2O -> Ca (OH)2 + H2
CaO + H2O -> Ca(OH)2
2KCIO3 -> 2KCI + 3O2

Respuesta :

The reaction that exemplifies a double replacement reaction is as follows: K2S + CoCI2 -> 2KCI + CoS, which is option 1.

What is a double replacement reaction?

A double replacement reaction is a type of reaction in which two elements are substituted in the reacting compounds.

In the reaction given as follows:

K2S + CoCI2 -> 2KCI + CoS

  • Pottasium replaces cobalt in Cobalt chloride
  • Sulfur replaces chlorine in Cobalt chloride

Therefore, the reaction is a type of double replacement reaction.

Learn more about double replacement reaction at: https://brainly.com/question/19267538

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