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Which of the following statement is inco...

Which of the following statement is incorrect?

A

If salt bridge is removed potential drops to zero.

B

Calomel electrode contains `CaCl_2` solution in contact with Pt electrode.

C

Quinhydrone electrode is reversible to `H^+`

D

Lithium batteries are rechargeable batteries.

Text Solution

Verified by Experts

The correct Answer is:
B
Calomel electrode contains Hg and `Hg_2Cl_2`
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MTG GUIDE-ELECTROCHEMISTRY-NEET Café (Topicwise Practice Questions) (CELLS AND ELECTRODE POTENTIAL)
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  2. Concentration polarization arises because of the

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  3. Which of the following statement is incorrect?

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  4. An aqueous solution containing one mole per litre each Cu(NO3)2, AgNO3...

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

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

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  7. Indicator electrode is

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  8. In an electrochemical cell, the electrons flow from

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

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  10. Electrode potentials (E(red)^@) of 4 elements A, B, C and D are -1.36,...

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

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

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

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

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

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

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  17. In a Galvanic cell

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

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  19. The standard reduction potentials of 4 clements are given below. Which...

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  20. Fluorine is the best oxidising agent because it has

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