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A student set up the following apparatus...

A student set up the following apparatus to determine the hydrogen ion concentration of solution X.
The cell is, `M|H_(2(g))|2H_((aq))^+||Cu_((aq))^(2+)|Cu_((s))` The best material for electrode M would be

A

polished copper metal

B

platinum metal coated with platinum oxide

C

copper metal coated with oxide

D

platinum metal coated with finely divided platinum.

Text Solution

Verified by Experts

The correct Answer is:
D
Electrode M is inert electrode like Pt metal with coating of fine powder of Pt metal.
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MTG GUIDE-ELECTROCHEMISTRY-NEET Café (Topicwise Practice Questions) (CELLS AND ELECTRODE POTENTIAL)
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  3. A student set up the following apparatus to determine the hydrogen ion...

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  5. Which of the following statement is incorrect?

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  7. A gas z is bubbled through a solution containing x^- and y^- . If the ...

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  8. A student made the following observations in the laboratory (i) Clea...

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  9. Indicator electrode is

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  10. In an electrochemical cell, the electrons flow from

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  11. Saturated solution of KNO3 , is used to make 'salt bridge because

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  13. Which one of the following does not hold good for S.H.E?

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  14. For the electrochemical cell having E^@(M^+//M) =0.44 V and E^@(X//X...

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  15. The reference calomel electrode is made from which of the following?

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  16. Out of Cu, Ag, Fe and Zn, the metal which can displace all others from...

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  17. If half-cell reaction A+e^(-)toA^- has a large negative reduction pote...

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  18. Which of the substances Na, Hg, S, Pt and graphite can be used as elec...

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  19. In a Galvanic cell

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  20. Electrode potential data for a few elements is given Fe((aq))^(3+)+e...

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