Electrochemistry: NEET 2020
Related questions
The number of Faradays (F) required to produce 20 g of calcium from molten CaCl_2 (Atomic mass of Ca = 40 g mol ^-1 ) is :
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At 298 K, the standard electrode potentials of Cu^2+/Cu , Zn^2+/Zn , Fe^2+/Fe and Ag^+/Ag are 0.34 V, -0.76 V, -0.44 V and 0.80 V,…
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Given below are half cell reactions: MnO_4^- + 8H^+ + 5e^- Mn^2+ + 4H_2O, E^_Mn^2+/MnO_4^-=-1.510\ V 12O_2 + 2H^+ + 2e^- H_2O,…
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Find the EMF of the cell in which the following reaction takes place at 298 K: Ni(s)+2Ag^+(0.001\,M) Ni^2+(0.001\,M)+2Ag(s) (Given that…
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Match List-I with List-II. List-I (Conversion): (A) 1 mol of H_2O to O_2 , (B) 1 mol of MnO_4^- to Mn^2+ , (C) 1.5 mol of Ca from molten…
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Mass in grams of copper deposited by passing 9.6487 A current through a voltameter containing copper sulphate solution for 100 seconds is:…
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