At what pH the oxidation potential of hydrogen electrode will be -0.413 V ?
E_("red")^(0) (Standard reduction potential ) of different half-cells are given E_(Cu^(+2)//Cu)^(0) = 0.34 V E_(Zn^(+2)//Zn)^(0) = -0.76 V , E_(Ag^(+) // Ag)^(0) = 0.80 V , E_(Mg^(2+) // Mg)^(0) = -2.37 V . In which cell DeltaG^(@) is most negative ?
The oxidation potential of 0.05 MH_(2)SO_(4) is
The standard electrode potential of the htwo half cells are given below Ni^(+2) + 2e^(-) to Ni , E^(@) = -0.25 V , Zn^(+2) + 2e^(-) to Zn , E^(0) = -0.77 V The voltage of cell formed by combining the two half cells would be
The Ionisation potential of Hydrogen is 2.17 xx10^(-1) erg/atom. The energy of the electron in the second orbit of the hydrogen atom is
The ionisation potential of Hydrogen is 2.17 xx 10^(-11) erg/atom. The energy of the electron in the second orbit of the hydrogen atom is
If the first excitation potential of a hypothetical hydrogen like atom is 15 V, then the third excitation potential of the atom is