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Electrochemistry · 2024 · 9 Apr · Shift 1

2 Chemistry questions from this JEE Main paper

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2024 · 9 Apr · Shift 1
Chemistry
Electrochemistry

Electrochemistry · 2024 · 9 Apr · Shift 1

2 Chemistry questions from this JEE Main paper

Q2.The molar conductivity for electrolytes $A$ and $B$ are plotted against $C^{3/2}$ as shown below. Electrolytes $A$ and $B$ respectively are: Includes diagram
Chemistry · Electrochemistry · MCQ
Q21.The standard reduction potentials at $Cr_{2} O_{7}^{2 -} + 14 H^{+} + 6 e^{-} \to 2 Cr^{3 +} + 7 H_{2} O, E^{\circ} = 1.33 V Fe^{3 +} (aq) + 3 e^{-} \to Fe Ni^{2 +} (aq) + 2 e^{-} \to Ni Ag^{+} (aq) + e^{-} \to Ag Au^{3 +} (aq) + 3 e^{-} \to Au E^{\circ} = - 0.04 V E^{\circ} = - 0.25 V E^{\circ} = 0.80 V E^{\circ} = 1.40 V$ for the following half cells are given below : $Cr_{2} O_{7}^{2 -} + 14 H^{+} + 6 e^{-} \to 2 Cr^{3 +} + 7 H_{2} O, E^{\circ} = 1.33 V Fe^{3 +} (aq) + 3 e^{-} \to Fe Ni^{2 +} (aq) + 2 e^{-} \to Ni Ag^{+} (aq) + e^{-} \to Ag Au^{3 +} (aq) + 3 e^{-} \to Au E^{\circ} = - 0.04 V E^{\circ} = - 0.25 V E^{\circ} = 0.80 V E^{\circ} = 1.40 V$ …
Chemistry · Electrochemistry · Numerical