Which of the given statement is correct? (a) In SHE, the pressure of dihydrogen gas should be lo...

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Which of the given statement is correct?
(a) In SHE, the pressure of dihydrogen gas should be low and \( \mathrm{pH} \) of solution should be zero
(b) In the reaction, \( \mathrm{H}_{2} \mathrm{O}_{2}+\mathrm{O}_{3} \rightarrow 2 \mathrm{H}_{2} \mathrm{O}+2 \mathrm{O}_{2}, \mathrm{H}_{2} \mathrm{O}_{2} \) is oxidised to \( \mathrm{H}_{2} \mathrm{O} \)
(c) The absolute value of electrode potential cannot be determined
(d) According to IUPAC convention, the standard electrode potential pertains to oxidation reactions only
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