Roboguru

Pertanyaan

Diketahui beberapa potensial reduksi senyawa berikut:

Berdasarkan data tersebut, reaksi yang dapat berlangsung spontan adalah..

  1. C u space divided by space C u to the power of 2 plus end exponent divided by divided by space A l to the power of 3 plus end exponent space divided by space A l

  2. S n space divided by space S n to the power of 2 plus end exponent divided by divided by space Z n to the power of 2 plus end exponent space divided by space Z n

  3. Z n space divided by space Z n to the power of 2 plus end exponent divided by divided by space A l to the power of 3 plus end exponent space divided by space A l

  4. A g space divided by space A g to the power of plus divided by divided by space C u to the power of 2 plus end exponent space divided by space C u

  5. A l space divided by space A l to the power of 3 plus end exponent divided by divided by space A g to the power of plus space divided by space A g

M. Robo

Master Teacher

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Pembahasan

Diagram sel yang menggambarkan reaksi spontan adalah yang memiliki Eosel positif.

Al rightwards arrowAl+3 + 3e                               Eo= +1,66 volt

Ag+ + e rightwards arrow Ag                               Eo      = +1,80 volt +

Al + Ag+ rightwards arrow Al+3+ Ag                     Eosel = +3,46 volt

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