Question

Na S (1) + CdNO3 (1) ➡️ Cds (s) + 2 NaNO3 (1) is which type of reaction?

Answer 1

a) double-displacement

Explanation:

We have the following chemical reaction:

Na₂S (aq) + Cd(NO₃)₂ (aq) → CdS (s) + 2 NaNO₃ (aq)

where:

(aq) - aqueous

(s) - solid

This chemical reaction is a double-displacement reaction because the reactant exchange atoms or group of atoms between themselves. The reaction is driven to right by the formation of the precipitate. The general representation for this kind of reaction is: AB + CD → AC + BD

In a synthesis reaction two elements will combine to form a compound.

2 H₂ + O₂ → 2 H₂O

In a single-displacement reaction an atom or group of atoms from a compound is displaced by another atoms. The general representation for this kind of reaction is: A + BC → B + AC

Learn more about:

type of chemical equations

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