Which one is the strongest reducing agent? (Given, Na+ + e- → Na; E0 = -2.71V and Al3+ + 3e- → Al; E0 = -1.66V)
The electrode potential of the calomel electrode used as a reference electrode
The aqueous solution of which of the following compounds is the best conductor of electric current?
In a cell, oxidation takes place at
When one end of a metal plate is heated, the other end gets hot because of
The reduction potential of an electrode
The electrode potential measures the:
Calomel electrode is formed with which of the following
In metals, the conduction of electricity is due to
What flows in the internal circuit of a Galvanic cell?
The standard reduction potentials at 298K are: Zn2+(aq)+2e- → Zn(s) = -0.762V; Cr3+(aq)+3e- → Cr(s) = -0.740V; 2H+(aq)+2e- → H2(g) = 0.00V; Fe3+(aq)+e- → Fe2+(aq) = 0.770V. Which is the strongest reducing agent?
The SHE has an inert electrode of
Standard electrode potential of four metals P, Q, R, and S are +0.34V, -0.25V, -2.93V, and +0.85V, respectively. Which is the correct arrangement in the order of decreasing reactivity?
A certain half-cell reaction, X + e- → X-, has a very large value of negative reduction potential. This implies that
The standard reduction potential (E0red) of P, Q, and R are 0.68V, -2.54V, and -0.50V, respectively. The order of their reducing power is
Standard electrode potential values for P, Q, R, and S are +0.34V, -0.76V, 0.0V, and -3.05V, respectively. Which is the correct arrangement in the order of decreasing reactivity?