In an electrochemical cell, which electrode is the site of oxidation?
Practice 2easy
What is the standard cell potential (E°cell) if E°cathode = +0.80 V and E°anode = −0.44 V?
Practice 3easy
Which of the following statements is true for a galvanic cell?
Practice 4easy
In the electrolysis of molten NaCl, the product formed at the cathode is:
Practice 5easy
If 96,500 C of charge is passed through a CuSO₄ solution using copper electrodes, what mass of copper is deposited at the cathode? (Molar mass of Cu = 64 g/mol)
Practice 6medium
What is the standard electrode potential of a hydrogen electrode at 25°C and 1 atm pressure?
Practice 7medium
In an electrochemical cell, oxidation occurs at the _____ and reduction occurs at the _____.
Practice 8medium
Calculate the number of Faradays required to deposit 6.4 g of copper (Cu = 64) from a copper(II) salt solution.
Practice 9medium
Which of the following is NOT a primary cell?
Practice 10medium
If the standard cell potential (E°cell) of a galvanic cell is +1.10 V, which statement is true?
Practice 11medium
In the Nernst equation, what does the 'n' represent?
Practice 12medium
What is the relationship between ΔG° and E°cell for an electrochemical cell?
Practice 13medium
During the electrolysis of aqueous NaCl solution with inert electrodes, chlorine gas is evolved at the anode. What is the electrode reaction?