Question

Aqueous solutions of silver nitrate (AgNO3) and iron(III) chloride (FeCl3) are mixed together. Which ion combines with the chloride ion to form a precipitate?

Ag +( aq)

NO3 –( aq)

Fe 3+( aq)

Answer 1

Hello there!

The correct answer is Ag⁺.

If we look at the solubility rules, it says that most chlorides are soluble, except with Ag⁺, and Pb²⁺.

I hope this helps!
Brady

Answer 2

Answer: Ag +( aq)

Explanation:

`3AgNO_3(aq)+FeCl_3(aq)\rightarrow 3AgCl(s)+Fe(NO_3)_3(aq)`

This is an example of double displacement reaction in which exchange of ions take place. Positively charged
`Ag^+` combines with negatively charged
`Cl^-` ions to form
`AgCl` which is insoluble in water, thus forms a precipitate.

Positively charged
`Fe^(3+)` combines with negatively charged
`NO_3^-` ions to produce
`Fe(NO_3)_3` which dissolves in water.