Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main 2005
Exam
JEE Main
Year
2005
Subject
Chemistry
Chapter
Ionic Equilibrium

JEE Main 2005 · Chemistry · Ionic Equilibrium

Hydrogen ion concentration in mol / L in a solution of pH = 5.4...

Hydrogen ion concentration in mol / L in a solution of pH = 5.4 will be

Options

  1. A3.98×1083.98 \times 10^8
  2. B3.88×1063.88 \times 10^6
  3. C3.68×10−63.68 \times 10^{-6}
  4. D3.98×10−63.98 \times 10^{-6}

Correct answer

D. 3.98×10−63.98 \times 10^{-6}

Step-by-step solution

pH=−log⁡(H+)\mathrm{p}^{H}=-\log \left(\mathrm{H}^{+}\right)
Practice Ionic Equilibrium on Quantrex Academy →

More from Ionic Equilibrium

Given is a concentrated solution of a weak electrolyte A_xB_y of concentration 'c' and… JEE Main 2026M_3 A_2 is a sparingly soluble salt of molar mass y g mol ^ -1 and solubility x g L ^ -1… JEE Main 2026Arrange the following resultant mixtures in increasing order of their pH values A. 10 mL… JEE Main 202620 mL of a solution of acetic acid required 28.4 mL of 0.1 M NaOH for its neutralization.… JEE Main 2026The pH of a solution obtained by mixing 5 mL of 0.1 M NH_4OH solution with 250 mL of 0.1… JEE Main 2026The first and second ionization constants of a weak dibasic acid H_2 A are 8.1 × 10^ -8… JEE Main 2026At 25°C , 20.0 mL of 0.2 M weak monoprotic acid HX is titrated against 0.2 M NaOH. The pH… JEE Main 2026The solubility product constants of Ag_2CrO_4 and AgBr are 32x and 4y respectively at 298… JEE Main 2026 Full Ionic Equilibrium list All JEE Main PYQs