CBSE Class 12 Electrochemical Series — practice questions
35 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 12 Electrochemical Series in the app →In a Daniell cell with Zn (anode) and Cu (cathode), and $E^\circ(Cu^{2+}/Cu) = +0.34$ V, $E^\circ(Zn^{2+}/Zn) The Nernst equation at $25^\circ$C for a cell with $n$ electrons transferred is $E = E^\circ -$:Electrolysis of molten NaCl at the electrode passes $1$ F of charge. The amount of Na deposited at the cathodeIron rusting on the village ploughshare is best described as:In a GALVANIC cell, the ANODE is:The standard electrode potential of the Standard Hydrogen Electrode (SHE) is defined as:The Daniell cell (Zn-Cu) has E°cell = +1.10 V. Calculate ΔG° (F = 96500 C/mol):The Nernst equation at 25°C for a cell reaction is:Kohlrausch's law is most useful for determining the LIMITING molar conductivity (Λ°m) of:Faraday's first law of electrolysis states that the mass deposited is:A typical LEAD STORAGE BATTERY (car battery) used in vehicles consists of 6 cells in series, each producing abThe byproduct of a hydrogen-oxygen fuel cell (used in space + electric cars) is:GALVANISATION protects iron from rusting by coating it with:In a galvanic cell, oxidation takes place at the:In a galvanic cell, reduction takes place at the:On closing the switch, electrons flow to the electrode that is:The direction of current flow, against the electron flow, is:The potential difference between two electrodes is measured in:The cell potential when no current is drawn is called the:By accepted convention the anode is drawn on the:The potential of a single half-cell on its own:The standard hydrogen electrode is assigned a potential of:The standard hydrogen electrode holds that value at:The standard hydrogen electrode uses platinum coated with:Hydrogen gas in the standard electrode is held at a pressure of:The electrode of the standard hydrogen cell is dipped in a solution:The strongest oxidising agent in the table of potentials is:The weakest reducing agent in the table of potentials is:The most powerful reducing agent in aqueous solution is:The weakest oxidising agent in the table of potentials is:Going from top to bottom of the table, the electrode potential:A negative standard potential marks a reducing agent that is:In the Daniell cell, zinc dissolves at the anode and copper:The two portions of a galvanic cell are also called:The electrolytes of the two half-cells are joined by a: