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2Cr(s)+3Sn^(2+)(aq)rarr 2Cr^(3+)(aq)+3Sn...

`2Cr(s)+3Sn^(2+)(aq)rarr 2Cr^(3+)(aq)+3Sn(s)`. The reaction occurs in a galvanic cell. Predict the cathode and the anode and write the electrode reactions.

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Anode : `Cr|Cr^(3+)`, Cathode : `Sn^(2+)|Sn`, anode reaction: `Cr rarr Cr^(3+)+3e`, cathode reaction : `Sn^(2+)+2e rarr Sn`
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CHHAYA PUBLICATION-ELECTROCHEMISTRY-EXERCISE (SHORT ANSWER-TYPE QUESTIONS)
  1. Are the following reactions spontaneous? (b) Cd+Cl(2)rarr Cd^(2+)+2C...

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

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

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

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

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

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

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

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

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  20. What is molar conductivity at infinite dilution?

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