Thermodynamics: Reduction Potential question

  • Chemistry
  • Thread starter TytoAlba95
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  • #1
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Homework Statement:

NA

Relevant Equations:

NA
20200729_223445.jpg

The answer key says the correct option should be a, but I think it should be b. Because Y has a reduction potential same as the element B.

An element is a good reducing agent only if its reduction potential is negative or less positive.
 

Answers and Replies

  • #2
mjc123
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Then why have you chosen the most positive one?

The question seems unclear. What are you being asked to do - reduce B or oxidise BH2? I read it as reducing B, but then you want an electron donor, not an acceptor. Have I misunderstood?
 
  • #3
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I think it is asking which out of the three can oxidize BH2. In that case, I think (b) is the correct option.
Thanks for pointing out, I got confused after reading the question. I really is unclear.

But if they are asking for the oxidant, shouldn't Y element be excluded?
 

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