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Which of the following is not a double-replacement?
A.) HNO3 (aq) + KHO (aq) -> H2O (l) + KNO3 (aq)
B.) Ba(OH)2 (aq) + 2HClO4 (aq) -> Ba(ClO4)2 (aq) + 2H2O (l)
C.) NaOH (aq) + HCl (aq) -> H2O (aq) + NaCl (s)
D.) Zn (s) + 2HCl (aq) -> H2 (g) + ZnCl2 (s)

Respuesta :

Answer:

The correct answer is option D.

Explanation:

From the given options the reaction which is not a double replacement reaction is:

[tex]Zn (s) + 2HCl (aq)\rightarrow H_2 (g) + ZnCl_2 (s)[/tex]

This because the above reaction is an example of single replacement reaction.

[tex]AB+C\rightarrow AC+B[/tex]

Whereas;

Double replacement reaction is a type of chemical reaction in which exchange of ions among the reactants take place.

[tex]AB+CD\rightarrow AD+CB[/tex]

Answer:

A and B

Explanation:

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