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Which statement is correct about the reaction that occurs between calcium chloride and sodium carbonate? It is a single replacement reaction because two new compounds of calcium and sodium are formed. It is a double replacement reaction because calcium chloride and sodium carbonate exchange their non-metallic parts. It is a single replacement reaction because calcium replaces sodium within a compound as sodium is higher than calcium in the activity series. It is a double replacement reaction because the ions of calcium and sodium exchange places in an aqueous solution as calcium is higher than sodium in the activity series.

Respuesta :

Answer: The correct answer is that it is a double replacement reaction because calcium chloride and sodium carbonate exchange their non-metallic parts.

Explanation:

  • A single displacement reaction occurs when a more reactive metal displaces a less reactive metal in a chemical reaction.

[tex]A+BC\rightarrow AC+B[/tex]

A is more reactive than B.

  • A double displacement reaction occurs when there is an exchange of ions in a chemical reaction.

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

For the chemical reaction of sodium carbonate and calcium chloride:

[tex]Na_2CO_3(aq.)+CaCl_2(aq.)\rightarrow 2NaCl(aq.)+CaCO_3(s)[/tex]

In this type of reaction, the exchange of non-metallic parts that is the anions takes place because chloride ion forms more stable compound with sodium rather than calcium.

Hence, it is a type of double displacement reaction because there is an exchange of non-metallic parts.

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