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  • Oxidation of succinate ion produces ethylene and carbon dioxide gases.  On passing 0.2 Faraday electricity through an aqueous solution of potassium succinate, the total volume of gases (at bot

Oxidation of succinate ion produces ethylene and carbon dioxide gases.  On passing 0.2 Faraday electricity through an aqueous solution of potassium succinate, the total volume of gases (at both cathode and anode) at STP (1 atm and 273 K) is :

Option: 1

 2.24 L


Option: 2

4.48 L


Option: 3

6.72 L


Option: 4

 8.96 L

 


Answers (1)

best_answer

The chemical equation we have:

2CH_{2}COOK\, +\, 2H_{2}O\, \rightarrow C_{2}H_{4}\, +\, 2CO_{2}\, +\, H_{2}\,+\, 2KOH

Now, equivalents of (C2H4 + CO2 + H2) = 0.2 + 0.2 + 0.2
                                                          = 0.6

Now, total number of moles of gases = 0.2/2 + 0.2/1 + 0.2/2 = 0.4

Now, from ideal gas equation, we have:

pV = nRT

Therefore, V = (0.4 x 0.0821 x 273)/1

V = 8.96L

Therefore, Option (4) is correct

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Sayak

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