electrochemistry

Related Questions

• Four alkali metals A, B, C and D are having respectively standard electrode potential as – 3.05, – 1.66 – 0.40 and 0.80. which one will be the most reactive

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• Assertion (A): Copper reacts with hydrochloric acid and liberates hydrogen from the solution of dilute hydrochloric acid Reason (R): Hydrogen is below copper in the electrochemical series

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• The quantity of electricity needed to liberate 0.5 gram equivalent of an elements is

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• Consider the following statements about a Galvanic cell I : Electrons flow through ${{H}_{2}}O$ (medium) from anode to cathode II : Electrons flow through wire from anode to cathode III : Salt bridge is necessary to complete the electrical circuit Select correct alternate (s)

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• When a rod of metal $A$ is dipped in an aqueous solution of metal $B$ (concentration of ${{B}^{2+}}$ ion being 1 M) at ${{25}^{o}}C$, the standard electrode potentials are ${{A}^{2+}}/A=-0.76\,volts,\,{{B}^{2+}}/B=+0.34\,volts$

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