Google Answers: BALANCED HALF-REACTION

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Q: BALANCED HALF-REACTION ( No Answer, 0 Comments )

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Subject: BALANCED HALF-REACTION
Category: Science > Chemistry
Asked by: joey83-ga
List Price: $4.00

Posted: 29 Mar 2005 12:30 PST
Expires: 02 Apr 2005 21:57 PST
Question ID: 502177

When balancing the equation:

HNO3(aq) + H3PO3(aq) --> NO(g) + H3PO4(aq) + H2O(l)

What is the balanced half-reaction for oxidation?

A. 2H2O + 2H3PO3 ---> 2H3PO4 + 2H2 + 2e-
B. H2O +H3PO3 --> H3PO4 + 2H + 2e-
C. HNO3 --> NO + 2H2O
D. 2HNO3 + 3e- --> 2NO + H2O

Clarification of Question by joey83-ga on 31 Mar 2005 15:04 PST
really having trouble with this one. Tip for anyone that can answer
correctly with an explanation

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