What is formed in the reaction Kl(aq) + AgNO3(aq) → Agl(s) + KNO3(aq)?
1 answer:
Answer:
A. A precipitate
Explanation:
The reaction is a double displacement reaction in which a precipitate, AgI is produced. In a double displacement reaction, there is an actual exchange of partner ions to form new compounds. This type of reaction is usually known for ionic compounds.
Equation;
KI + AgNO₃
→ AgI
+ KNO₃
From the reaction above, AgI will result in the formation of a yellow precipitate in the solution.
A precipitate is an insoluble compound formed in chemical reaction.
You might be interested in
Answer:
Ferric ions left in the solution at equilibrium is .
Explanation:
Moles of ferric nitrate in 0.700 L = n
Volume of the solution = V = 0.700 L
Molarity of ferric nitrate = M = 0.00150 M
Moles of potassium thiocyanate in 0.700 L = n'
Volume of the potassium thiocyanate solution = V' = 0.700 L
Molarity of potassium thiocyanate = M' = 0.200 M
Molarity of ferric ions after mixing :
1 mol of ferric nitrate gives 1 mol of ferric ions.Then 0.00105 mol ferric nitrate will :
Moles of ferric ions = 0.00105 mol
Molarity of thiocyanate ions after mixing :
1 mol of potassium thiocyanate gives 1 mol of thiocyanate ions.Then 0.140 mol potassium thiocyanate will give:
Moles of thiocyanate ions = 0.140 mol
Complex equation:
0.00075 M 0.1 M 0
At equilibrium:
(0.00075 M -x) (0.1 M-x) x
The formation constant of the given complex =
Solving for x:
x = 0.000742 M
Ferric ions left in the solution at equilibrium :
= (0.00075 M -x) = (0.00075 M - 0.000742 M)=