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Which one of the following is a double-displacement reaction?
A.) 2Li (s) + ZnSO4 (aq) ā†’ Li2SO4 (aq) + Zn (s)
B.) HNO3 (aq) + KOH (aq) ā†’ H2O (l) + KNO3 (aq)
C.) Fe (s) + CuSO4 (aq) ā†’ FeSO4 (aq) + Cu (s)
D.) 2Cu (s) + O2 (g) ā†’ 2CuO (s)

Respuesta :

MissPhiladelphia
I believe the correct answer from the choices listed above is option B. The double-displacement reaction would beĀ HNO3 (aq) + KOH (aq) ā†’ H2O (l) + KNO3 (aq) . ItĀ Ā is a type of chemicalĀ reactionĀ where two compoundsĀ react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places

Answer:

B.) HNO3 (aq) + KOH (aq) ā†’ H2O (l) + KNO3 (aq)

Explanation:

A P E X

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