KCET2007ChemistryIonic Equilibrium
Hydroxyl ion concentration of 10⁻² M HCl is
Options
- A1 10¹ ~mol dm ⁻³
- B1 10⁻¹² ~mol dm ⁻³
- C1 10⁻¹ ~mol dm ⁻³
- D1 10⁻¹⁴ ~mol dm ⁻³
Correct answer
B. 1 10⁻¹² ~mol dm ⁻³
Step-by-step solution
[ H ⁺ ] [ OH ⁻ ]=10⁻¹⁴ aligned [10⁻² ] [ OH ⁻ ] &=10⁻¹⁴ [ OH ⁻ ] &= 10⁻¹⁴ 10⁻² =10⁻¹² ~mol dm aligned