Year: 2018
Topic: Equilibrium
Time :
1.
Following solutions were prepared by mixing different volumes of NaOH and HCl of different concentrations:
A. \( \text{60 mL} \frac{\text{M}}{\text{10}}\)HCl + \( \text{40 mL} \frac{\text{M}}{\text{10}}\)NaOH
B. \( \text{55 mL} \frac{\text{M}}{\text{10}}\)HCl + \( \text{45 mL} \frac{\text{M}}{\text{10}}\)NaOH
C. A. \( \text{75 mL} \frac{\text{M}}{\text{5}}\)HCl + \( \text{25 mL} \frac{\text{M}}{\text{5}}\)NaOH
D. \( \text{100 mL} \frac{\text{M}}{\text{10}}\)HCl + \( \text{100 mL} \frac{\text{M}}{\text{10}}\)NaOH
pH of which one of them will be equal to 1 ?
A. \( \text{60 mL} \frac{\text{M}}{\text{10}}\)HCl + \( \text{40 mL} \frac{\text{M}}{\text{10}}\)NaOH
B. \( \text{55 mL} \frac{\text{M}}{\text{10}}\)HCl + \( \text{45 mL} \frac{\text{M}}{\text{10}}\)NaOH
C. A. \( \text{75 mL} \frac{\text{M}}{\text{5}}\)HCl + \( \text{25 mL} \frac{\text{M}}{\text{5}}\)NaOH
D. \( \text{100 mL} \frac{\text{M}}{\text{10}}\)HCl + \( \text{100 mL} \frac{\text{M}}{\text{10}}\)NaOH
pH of which one of them will be equal to 1 ?