Ionic EquilibriumHard

Question

When 0.05 moles of the following acids are dissolved in 1000 ml of H2O, the [H+] will be greatest in

Options

A.HNO2: pKa = 3.0
B.HCOOH: pKa = 3.75
C.HCN: pKa = 9.4
D.CH3COOH: pKa = 4.75

Solution

Smaller PKa, stronger acid, greater [H+].

Create a free account to view solution

View Solution Free
Topic: Ionic Equilibrium·Practice all Ionic Equilibrium questions

More Ionic Equilibrium Questions

What % of the carbon in the H2CO3 - HCO3- buffer should be in the form of HCO3- so as to have a neutral solution? (Ka = ...Which of the following relation(s) is/are true for alkaline solution?...The concentration of hydroxyl ion in a solution left after mixing 100 mL of 0.1 M MgCI2 and 100 mL of 0.2 M NaOH (KSP of...pH of a saturated solution of Ba ( OH )2 is 12. The value of solubility product Ksp of Ba ( OH2 ) is...Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under ...