Top Posters
Since Sunday
G
4
K
3
o
3
3
m
2
c
2
r
2
p
2
s
2
s
2
b
2
c
2
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
doggerfresh doggerfresh
wrote...
Go to Answer
Posts: 145
Rep: 0 0
2 months ago
What is the half-reaction that occurs at the cathode during the electrolysis of an aqueous sodium iodide solution?
Half-ReactionE° (V)
 2H2O( l) + 2 e–→ H2( g) + 2OH–( aq)–0.83  
 O2( g) + 4H+( aq) + 4 e–→ 2H2O( l)+1.23  
 Na+( aq) +  e–→ Na( s)–2.71  
 I2( s) + 2 e–→ 2I–( aq)+0.53  


▸

Na+ + e–→



▸

O2(g) + 4H+(aq) + 4e–→ 2H2O(l)



▸

2H2O + 2e–→ H2 + 2OH–



▸

I2 + 2e–→ 2I–



▸

2I–→ I2 + 2e–

Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
Author:
Read 36 times
1 Reply
Replies
Answer verified by a subject expert
tpriest1tpriest1
wrote...
#1
Posts: 156
Rep: 1 0
2 months ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

doggerfresh Author
wrote...

2 months ago
Brilliant ツ
prime7105
wrote...

Yesterday
You make an excellent tutor!
smi3
wrote...

2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1051 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 99
  
 740
  
 295
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 300
Previous poll results: Which country would you like to visit for its food?