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Zinc replaces hydrogen from acid solutio...

Zinc replaces hydrogen from acid solution and hydrogen produces silver form silver salts. Explain.

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CHHAYA PUBLICATION-ELECTROCHEMISTRY-EXERCISE (SHORT ANSWER-TYPE QUESTIONS)
  1. For the galvanic cell, Cu|Cu^(2+)(0.13M)||Ag^(+)(0.01M)|Ag (i) Deter...

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  2. For the galvanic cell, Cu|Cu^(2+)(0.13M)||Ag^(+)(0.01M)|Ag (ii) Is t...

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  3. Zinc replaces hydrogen from acid solution and hydrogen produces silver...

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  4. Are the following reactions spontaneous? (a) Fe+Mg^(2+)rarr Fe^(2+)+...

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  5. Are the following reactions spontaneous? (b) Cd+Cl(2)rarr Cd^(2+)+2C...

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  6. H(2)(g)+Cu^(2+)(aq)rarr Cu(s)+2H^(+)(aq). The above reaction occurs in...

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  7. 2Cr(s)+3Sn^(2+)(aq)rarr 2Cr^(3+)(aq)+3Sn(s). The reaction occurs in a ...

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  8. Find the stronger oxidising agent in each pair, stating reason. (a) ...

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  9. Find the stronger oxidising agent in each pair, stating reason. (c) ...

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  10. Find the stronger oxidising agent in each pair, stating reason. (d) ...

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  11. Can Fe^(2+) be produced in the reaction of Fe with 1(M) HCl solution? ...

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  12. During discharging and charging of a secondary battery, what type of e...

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  13. Explain the causes of rusting of iron.

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  14. A few half - cell reactions and their standard reduction potentials ar...

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  15. Given : E(Cr^(3+)|Cr)^(@)=-0.74V, E(Fe^(3+)|Fe^(2+))^(@)=+0.77V. What ...

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  16. The standard reduction potential of metals A, B, C and D are +0.80V, -...

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  17. Arrange Al, Cd, Pb & Zn in order of increasing chemical activity. Give...

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  18. Deduce a relation between Faraday (F), Avogadro’s number (N) and charg...

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  19. Determine how many coulombs make 1 faraday with the help of Faraday's ...

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  20. How are resistance and conductivity related? What do you understand by...

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