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MHT CET Chemistry Electrochemistry 2026 MHT CET 2026 (13 April Shift 2)

MHT CET Chemistry Question (2026) — Solution

Question

Which of the following statements is correct regarding the cathode of electrochemical cell ?

Options

  1. A. Oxidation occurs at the cathode
  2. B. Reduction occurs at cathode
  3. C. Usually denoted by a negative sign
  4. D. Is usually made up of non conducting material.

Answer

B. Reduction occurs at cathode

Step-by-step solution

In any electrochemical cell, whether galvanic or electrolytic, reduction always takes place at the cathode. Oxidation always takes place at the anode. The cathode is made of a conducting material to allow the flow of electrons. In a galvanic cell, the cathode is denoted by a positive sign, whereas in an electrolytic cell, it is denoted by a negative sign. Thus, the only universally correct statement is that reduction occurs at the cathode. Answer: Reduction occurs at cathode

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