Which gas is produced at the cathode during electrolysis of acidified water?

What happens when an iron spoon is dipped into acidified copper sulphate solution?

Write whether the following statement is True or False: Electrolysis always involves the process of oxidation–reduction.

Which of the following is/are electrolyte(s) — Sugar solution in water, Ethanol and Acetic Acid?

Why does an aqueous solution of HCl gas conduct electricity?

In which electrode does oxidation take place during electrolysis of water ? OR Which one between AC and DC is used in electrolysis ?

Fill up the blank : During electrolysis, electricity is carried through the electrolyte by ____

Write whether the following statement is True or False : The electrical conductivity of solid NaCl is greater than the electrical conductivity of fused NaCl.

Match the Right column with the Left column : [1 × 4 = 4] Left Column Right Column 2.11.1 Acetic acid (a) non-conductor of electricity 2.11.2 Glass (b) Weak electrolyte 2.11.3 Most electro-negative element (c) Krypton 2.11.4 One Noble Element (d) Fluorine

During electrolysis (a) oxidation occurs at the cathode and reduction occurs at the anode (b) oxidation occurs at both the electrodes (c) reduction occurs at both the electrodes (d) reduction occurs at the cathode and oxidation occurs at the anode.

Acetic acid is a weak electrolyte because in an aqueous solution acetic acid is (a) non-conductor of electricity (b) completely dissociated (c) partially dissociated (d) not dissociated

The order of oxidising properties of Cl (17), I(53), F(9), Br(35) belonging to group 17 of long periodic table is (a) F < Cl < Br < I (b) Cl > I > F > Br (c) Cl > F > Br > I (d) F > Cl > Br > I