Diketahui beberapa potensial reduksi senyawa berikut: Al3+(aq) + 3e → Al(s)    Eo=−1,66 VSn2+(aq) + 2e → Sn(s)    Eo=−0,14 VZn2+(aq) + 2e → Zn(s)    Eo=−0,76 VCu2+(aq) + 2e → Cu(s)   Eo=+0,34 VAg+(aq) + e → Ag(s)       Eo=+0,80 V Berdasarkan data tersebut, reaksi yang dapat berlangsung spontan adalah ...

Pertanyaan

Diketahui beberapa potensial reduksi senyawa berikut:

A calligraphic l to the power of 3 plus end exponent left parenthesis a q right parenthesis space plus space 3 e space rightwards arrow space A calligraphic l left parenthesis s right parenthesis space space space space E to the power of o equals negative 1 comma 66 space V  S n to the power of 2 plus end exponent left parenthesis a q right parenthesis space plus space 2 e space rightwards arrow space S n left parenthesis s right parenthesis space space space space E to the power of o equals negative 0 comma 14 space V  Z n to the power of 2 plus end exponent left parenthesis a q right parenthesis space plus space 2 e space rightwards arrow space Z n left parenthesis s right parenthesis space space space space E to the power of o equals negative 0 comma 76 space V  C u to the power of 2 plus end exponent left parenthesis a q right parenthesis space plus space 2 e space rightwards arrow space C u left parenthesis s right parenthesis space space space E to the power of o equals plus 0 comma 34 space V  A g to the power of plus left parenthesis a q right parenthesis space plus space e space rightwards arrow space A g left parenthesis s right parenthesis space space space space space space space E to the power of o equals plus 0 comma 80 space V

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

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

  2. S n divided by S n 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

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

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

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

S. Susanti

Master Teacher

Mahasiswa/Alumni Universitas Jayabaya

Jawaban terverifikasi

Pembahasan

Reaksi spontan, artinya reaksi yang memiliki hargao Eo sel positif. Pada sel E, harga Eosel adalah positif.

A calligraphic l rightwards arrow A calligraphic l to the power of plus 3 end exponent space plus space 3 e space space space space space space space space space space space space space space space space space space space space space space space space E to the power of O equals plus 1 comma 66 space V  bottom enclose 3 A g to the power of plus space plus space 3 e space rightwards arrow space 3 A g space space space space space space space space space space space space space space space space space space space E to the power of O equals plus 0 comma 80 space V end enclose  A calligraphic l space plus space 3 A g to the power of plus space rightwards arrow space 3 A g space plus space A calligraphic l to the power of plus 3 end exponent space space space E to the power of O equals plus 2 comma 44 space V

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Intan Saraswati

Bantu banget

Bachtiar Hamzah

Makasih ❤️ Pembahasan lengkap banget

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Beberapa data harga potensila reduksi standar (Eo) berikut : Ag+(aq)+e→Ag(s)  Eo=+0,8 VPb2+(aq)+2e→Pb(s)  Eo=−0,14 +4muVNi2+(aq)+2e→Ni(s)  Eo=−0,25 VFe2+(aq)+2e→Fe(s)  Eo=−0,44 V Reaksi yang dapat b...

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