Question

Which of the following is the most likely description of the product(s) of a double-displacement reaction? question 7 options:

O two new compounds
O oxygen and energy decomposition
O one new compound and an element single replacement
O one new compound

Answer 1

The product(s) of a double-displacement reaction are most likely to be two new compounds, formed when two ionic compounds in aqueous solution exchange ions and one of the new compounds precipitates or a gas forms.

Step-by-step explanation:

The most likely description of the product(s) of a double-displacement reaction is two new compounds. In a double-displacement reaction, two ionic compounds in aqueous solution switch anions and cations and form two new compounds. This reaction typically occurs when one of the new compounds formed is insoluble in water, leading to a solid precipitate, or sometimes a gas is formed.

For example, in a reaction between sodium sulfate (Na2SO4) and barium nitrate (Ba(NO3)2), the sodium ions (Na+) will switch places with barium ions (Ba2+), resulting in the formation of barium sulfate (BaSO4) as a precipitate and sodium nitrate (NaNO3) remaining in the solution. The equation for this reaction is: Na2SO4(aq) + Ba(NO3)2(aq) → BaSO4(s) + 2NaNO3(aq), where (s) denotes solid and (aq) denotes an aqueous solution.