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MCQs for Electrochemistry
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Avg score: 23% • Most missed: “If limiting molar conductivity of Ca2+ and Cl– are 119.0 and 76.3 S cm2 mol-1, t…”
MCQs for Electrochemistry
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1. If limiting molar conductivity of Ca2+ and Cl– are 119.0 and 76.3 S cm2 mol-1, then the value of limiting molar conductivity of CaCl2 will be
2. The reaction, 3ClO– (aq) → ClO3 (aq) + 2Cl– (aq) is an example of
3. The emf of the cell. Ni / Ni2+ (1.0 M) // Au3+ (1.0 M) / Au (E° = -0.25 V for Ni2+/Ni; E° = 1.5 V for Au3+/Au) is
4. The standard emf of a galvanic cell involving cell reaction with n = 2 is formed to be 0.295 V at 25° C. The equilibrium constant of the reaction would be
5. The charge required for the reduction of 1 mol of MnO4– to MnO2 is
6. If E°Fe2+/Fe = -0.441 V and E°Fe2+/Fe2+ = 0.771 V, the standard EMF of the reaction. Fe + 2Fe3+ → 3Fe2+ will be
7. NH4NC>3 is used in salt bridge because

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