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Most Important Selected Qs for JEE AdvancedChemistryElectrochemistry

In a cell, Zn ( s ) | Zn ²⁺ | | H ⁺ | H ₂( pt ) the addition of H ₂ SO ₄ to the cathode compartment will

Options

  1. ADecrease E
  2. BIncrease E
  3. CShift equilibrium to left
  4. DShift equilibrium to right

Correct answer

D. Shift equilibrium to right

Step-by-step solution

Zn ( s )+2 H ⁺( aq ) Zn ²⁺( aq )+ H ₂ ....(1) E = E _ cell ^0- 0.059 n [ Zn ²⁺ ] [ H ₂ ] [ H ⁺ ]^2 .....(2) Equilibrium (1) will shift in forward direction and cell potential E will increase.

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