A reaction occurs in which potassium and chlorine react to produce potassium chloride. All of the potassium present is used up during the reaction but some chlorine gas remains. Which substance is the excess reagent in this reaction?
a) potassium chloride
b) potassium
c) all of the above
d) chlorine
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Answer:
chlorine
Explanation:
Because, if the requirements of both potassium and chlorine are sufficient, then the reaction is stoped and doesn't remains any reactant, if any reactant is remained, then it is said to be it is in excess reactant
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