MCQ
A solution is prepared by mixing $0.01 mol$ each of $H _2 CO _3, NaHCO _3, Na _2 CO _3$, and $NaOH$ in $100 mL$ of water. $pH$ of the resulting solution is. . . . . . .
[Given : $p K _{ a 1}$ and $p K _{ a 2}$ of $H _2 CO _3$ are $6.37$ and $10.32 $, respectively $; \log 2=0.30$ ]
- A$10.1$
- B$11.2$
- ✓$10.2$
- D$10.3$
