Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
MHT CET20225 Aug 2022Morning ShiftChemistryIonic EquilibriumActual

What is the pH of the solution containing 1.342 10⁻³ M H ⁺ ions? ( 1.342=0.1277)

Options

  1. A1.28
  2. B3.57
  3. C2.87
  4. D2.38

Correct answer

C. 2.87

Step-by-step solution

aligned & pH =- [ H ⁺ ] & =- (1.342 10⁻³ ) & =3- 1.342 & =3-0.1277 & =2.87 aligned

Practice Ionic Equilibrium on Quantrex Academy →

More from Ionic Equilibrium

At 30°C the solubility of PbI₂ salt in 0.2 M KI solution will be X, if the solubility product of PbI₂ at 30°C is 2.4 10⁻⁸ . Identify the value of X. 2026A 0.15 mole of pyridinium chloride has been added to 500 cm ^3 of 0.2 M pyridine solution (a base). Assuming there is no change in volume upon mixing(Given: pK_b of pyridine = 8.82 2026At T ( K ) K _ sp of two ionic salts MX ₂ and MX is 5 10⁻¹³ and 1.6 10⁻¹¹ respectively. The ratio of molar solubility of MX ₂ and MX is 2025The conjugate base of phosphorus acid is x . The conjugate base of oleum is y . What are x and y , respectively? 2025The molar solubility of PbI ₂ in 0.2 M Pb ( NO ₃ )₂ solution in terms of K _ sp (solubility product) is 2025When 30 mL of 0.2 M NH ₄ OH is added to 30 mL of 2 M NH ₄ Cl solution. If the pH of the buffer formed is 8.2, what is the pK _ b of NH ₄ OH ? 2025The percentage of ionization of 1 L of x M acetic acid is 4.242 and is called solution "A". The percentage of ionization of 1 L of y M acetic acid is 3 and is called solution "B". 2025At 25^ C , the percentage of ionization of ' x ' M acetic acid is 4.242. What is the value of x ? ( ~K _ a =1.8 10⁻⁵ ) 2025 Full Ionic Equilibrium list All MHT CET PYQs