MCQ
The $pH$ of an aqueous solution containing $[{H^ + }] = 3 \times {10^{ - 3}}M$ is
- A$2.471$
- ✓$2.523$
- C$3$
- D$-3$
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$(ii)\, F_{(g)} + e^- \to F^-_{(g)}, \Delta H_2$
$(iii)\, Cl_{(g)} + e^- \to Cl_{(g)}, \Delta H_3$
$(iv)\, O_{(g)}^- + e^- \to O_{(g)}^{2-} , \Delta H_4$
That according to given information the incorrect statement is