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Redox Reactions...

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  • Question 1
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    Standard electrode potential for Sn4+/Sn2+ couple is +0.15 V and that for the Cr3+ / Cr couple is –0.74 V. These two couples in their standard state are connected to make a cell. The cell potential will be

  • Question 2
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    Standard electrode potential of three metals X, Y and Z are –1.2 V, +0.5 V and –3.0 V respectively. The reducing power of these metals will be

  • Question 3
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    The oxidation state of iron in K4[Fe (CN )6] is

  • Question 4
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    A metal in a compound can be displaced by another metal in the uncombined state. Which metal is a better reducing agent in such a case?

  • Question 5
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    Hydrogen is prepared from H2O by adding

  • Question 6
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    In the conversion of Br2 to Bro3- , the oxidation number of Br changes from

  • Question 7
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    In the reaction 2H2O2→ 2H2O + O2

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