14.55

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Xihui Yin 1I
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Joined: Fri Sep 29, 2017 7:06 am

14.55

Postby Xihui Yin 1I » Sat Feb 24, 2018 9:52 pm

Why is SO4 2- not reduced? E°(SO4/H2SO3)>E°(Ni2+/Ni)?

Hubert Tang-1H
Posts: 44
Joined: Thu Jul 27, 2017 3:00 am

Re: 14.55

Postby Hubert Tang-1H » Sun Feb 25, 2018 12:01 am

This problem is actually electrolysis, which is different from a Galvanic cell. In electrolysis at a cathode, the more positive potential is preferred, which is why Ni is chosen istead of So4

Ammar Amjad 1L
Posts: 54
Joined: Thu Jul 27, 2017 3:00 am
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Re: 14.55

Postby Ammar Amjad 1L » Sun Feb 25, 2018 6:00 pm

Here is a link to a post that answers your question.

viewtopic.php?f=143&t=11404&p=28252&hilit=

Xihui Yin 1I
Posts: 40
Joined: Fri Sep 29, 2017 7:06 am

Re: 14.55

Postby Xihui Yin 1I » Sun Feb 25, 2018 7:21 pm

Ammar Amjad 1L wrote:Here is a link to a post that answers your question.

viewtopic.php?f=143&t=11404&p=28252&hilit=

Thank you.


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