QJEEM04Ch8b74: JEE Main 2004 Chemistry - Class 12 JEEM04Ch8b74 Solution: In a cell that utilises the reaction Zn(s) + 2H + (aq) →…

Question

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In a cell that utilises the reaction Zn(s) + 2H⁺ (aq)

\to

Zn2+(aq) + H2(g) addition of H₂SO₄ to cathode compartment, will

Accepted Answer

Z n (s) + 2 H^{+} + (a q) ⇌ Z n^{2 +} (a q) + H_{2} (g)

E_{c e l l} = E_{c e l l}^{\circ} - \frac{0.059}{2} \log \frac{[Z n^{2 +}] [H_{2}]}{{[H^{+}]}^{2}}

Addition of

H_{2} S O_{4}

will increases

[H^{+}]

and

E_{c e l l}

will also increase and the equilibrium will shift towards

R H S

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