MHT CET202121 Sep 2021Morning ShiftChemistryIonic EquilibriumActual
What is the pH of 0.02 M NaOH solution?
Options
- A10.3
- B11.3
- C11.7
- D12.3
Correct answer
D. 12.3
Step-by-step solution
[ NaOH ]= [ OH ⁻ ]=2 10⁻² M NaOH is strong Base. aligned & P ^ OH =- [ OH ⁻ ]=- (2 10⁻² ) & =2- 2 & =2-0.3=1.7 & P ^ H + P ^ OH =14 & p ^ H =14- P ^ OH =14-1.7=12.3 aligned