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Pertanyaan

Diketahui potensial reduksi standar sebagai berikut:

F e to the power of 2 plus end exponent divided by F e space space space space space space space space space E degree equals space minus 0 comma 41 space V  Z n to the power of 2 plus end exponent divided by Z n space space space space space space space space space E degree equals space minus 0 comma 76 space V  C u to the power of 2 plus end exponent divided by C u space space space space space space space E degree equals space plus 0 comma 34 space V  A g to the power of plus divided by A g space space space space space space space space space E degree equals space plus 0 comma 80 space V

Reaksi yang tidak dapat berlangsung spontan adalah ....

  1. F e divided by F e to the power of 2 plus end exponent divided by divided by Z n to the power of 2 plus end exponent divided by Z n

  2. Z n divided by Z n to the power of 2 plus end exponent divided by divided by C u to the power of 2 plus end exponent divided by C u

  3. F e divided by F e to the power of 2 plus end exponent divided by divided by C u to the power of 2 plus end exponent divided by C u

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

  5. F e divided by F e to the power of 2 plus end exponent divided by divided by A g to the power of plus divided by A g

A. Ratna

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

Reaksi yang tidak dapat berlangsung spontan adalah yang memiliki harga potensial sel (Eosel) negatif.

O p t i o n space A space m e m i l i k i space h a r g a space p o t e n s i a l space s e l space n e g a t i f. space  F e space rightwards arrow space F e to the power of plus 2 space end exponent plus space 2 e space space space space space space space space space space space space space space space space space space E o space space space space space space equals space plus 0 comma 41 space v o l t space  bottom enclose Z n to the power of plus 2 end exponent space plus space 2 e space rightwards arrow space Z n space space space space space space space space space space space space space space space space space space E o space space space space space space space equals space – 0 comma 76 space v o l t space plus space end enclose  F e space plus space Z n to the power of plus 2 end exponent space rightwards arrow space F e to the power of plus 2 end exponent space plus space Z n space space E o s e l space equals space – 0 comma 35 space v o l t

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Berdasarkan data berikut: Fe2++2e→Fe,E∘=−0,44VPb2++2e→Pb,E∘=−0,13VZn2++2e→Zn,E∘=−0,76VSn2++2e→Sn,E∘=−0,14V Reaksi yang tidak dapat berlangsung spontan adalah...

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