BITSAT2009ChemistryElectrochemistryActual
In a cell that utilises the reaction Zn ( s )+2 H ⁺( aq ) Zn ²⁺( aq )+ H ₂( ~g ) addition of H ₂ SO ₄ to cathode compartment, will
Options
- Aincrease the E and shift equilibrium to the right.
- Blower the E and shift equilibrium to the right.
- Clower the E and shift equlibrium to the left.
- Dincrease the E and shift equilibrium to the left.
Correct answer
A. increase the E and shift equilibrium to the right.
Step-by-step solution
Zn ( s )+2 H ⁺+( aq ) Zn ²⁺( aq )+ H ₂( ~g ) E _ cell = E ^ cell - 0.059 2 [ Zn ²⁺ ] [ H ₂ ] [ H ⁺ ]² Addition of H ₂ SO ₄ will increase [ H ⁺ ] and E _ cell will also increase and the equilibrium will shift towards RHS.