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In dry cell, what acts as a negative ele...

In dry cell, what acts as a negative electrode?

A

Zinc

B

Graphite

C

Ammonium chloride

D

Manganese dioxide

Text Solution

Verified by Experts

The correct Answer is:
A
Zinc at anode.
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ERRORLESS-ELECTROCHEMISTRY-NCERT BASED QUESTIONS (CELL CONSTANT AND ELECTROCHEMICAL CELLS)
  1. Which of the following is incorrect in a galvanic cell ?

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  2. A secondary cell is one :

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  3. In dry cell, what acts as a negative electrode?

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  4. Which of the following statements is true for fuel cells ?

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  5. The reaction, (1)/(2)H(2)(g) + AgCl(s) H^(+)(aq)+Cl^(-) (aq)+Ag(s). Oc...

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  6. Which of the following statement is not correct about an inert electro...

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  7. An electrochemical cell an behave like an electrolytic cell when

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  8. Which of the following reactions canot be a base for electrochemical c...

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  9. The electrolyte used in Leclanche cell is-

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  10. In a galvanic cell, the electrons flow from :

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  11. If the half-cell reaction A+e^(-)toA^(-) has a large negative reductio...

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  12. Which of the following statements is true for an electrochemical cell ...

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  13. A depolarizer used in dry cell is :

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  14. Which of the following is not a function of salt bridge ?

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  15. The efficiency of a fuel cell is given by:

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  16. The electrode reactions that takes place at the anode of CH(4)-O(2) fu...

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  17. In which cell the free energy of a chemical reaction is directly conve...

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  18. While charging the lead storage battery:

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  19. When a lead storage battery is charged:

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  20. Which coloruless gas evolves when NH(4)CI reacts with zinc in a dr...

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