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Choose the most correct option. Consider the half reactions with standard potentials _______. - Chemistry

MCQ

Choose the most correct option.

Consider the half reactions with standard potentials _______.

i. \[\ce{Ag^{+}_{ (aq)} + e^- -> Ag_{(s)}E°}\]= 0.8 V

ii. \[\ce{I_{2(s)} + 2e^- -> 2I^{-}_{ (aq)} E°}\] = 0.53 V

iii. \[\ce{Pb^{2+}_{ (aq)} + 2e^- -> pb_{(s)} E°}\]= - 0.13 V

iv. \[\ce{Fe^{2+} + 2e^- -> Fe_{(s)} E°}\]= - 0.44 V

The strongest oxidising and reducing agents respectively are

Options

  • Ag and Fe2+

  • Ag+ and Fe 

  • Pb2+ and I

  • I2 and Fe2+ 

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Solution

Ag+ and Fe 

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APPEARS IN

Balbharati Chemistry 12th Standard HSC Maharashtra State Board
Chapter 5 Electrochemistry
Exercise | Q 1.06 | Page 117
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