Which statement is correct?A. In SHE, the pressure of dihydrogen gas should be low and pH of solution should be zero.B. In the reaction `H^(2)O_(2) + O(3) rightarrow 2H_(2)O + 2O_(2)`, `H_(2)O_(2)` is oxidised to `H_(2)O`.C. The absolute value of electrode potential cannot be determined.D. According to IUPAC covention, the standard electrode potential pertains to oxdidation reactioin only.

Which statement is correct?A. In SHE, the pressure of dihydrogen gas s

1.	Which statement is correct?A. In SHE, the pressure of dihydrogen gas should be low and pH of solution should be zero.B. In the reaction `H^(2)O_(2) + O(3) rightarrow 2H_(2)O + 2O_(2)`, `H_(2)O_(2)` is oxidised to `H_(2)O`.C. The absolute value of electrode potential cannot be determined.D. According to IUPAC covention, the standard electrode potential pertains to oxdidation reactioin only.
Answer» Correct Answer - C

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The EMF of the following cell: `Zn| Zn^(2+)(0.1M) || Cl^(-)(0.01M) | AgCl | Ag` is: [Given : E_(Zn^(2+)|/Zn)^(@) = -0.76V`, `E_(Cl^(-)| AgCl|Ag)^(@)` = 0.22 V`, `(2.303RT)/(F) = 0.06]`A. 0.96 VB. 0.345 VC. 1.23D. 1.13 V
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The emf of the cell `Zn|ZnCl_(2)` (0.05M) | AgCl(s)`,Ag is 1.015 V at 298 K and the temperature coefficient of its emf is `-4.92 xx 10^(-4)` V/K. How many of the reaction thermodynamic parameter `DeltaG`, `DeltaS` and `DeltaH` are negative at 298 K?A. None of themB. One of themC. Two of themD. All of them
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The number of electrons delivered at the cathode during electrolysis by a current of `1` ampere in 60 seconds is (charger on electron `= 1.60 xx 10^(-19)C`)A. `3.74 xx 10^(20)`B. `6.0 xx 10^(23)`C. `7.48 xx 10^(21)`D. `6.0 xx 10^(20)`

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