The Student Room Group

acid rain?

I'm trying to write out the reaction mechanism for the formation of acid rain from atmospheric nitrogen. I know the general equations to go through but when it comes to showing the movement of electrons I get stuck!


1. O + N≡N → N=O + N

2. N + O=O → O + N=O

3. 2N=O + O=O → 2O=N=O

4. N=O + O=O=O → O=O + O=N=O

5. O=N=O + O-H → H=O=N=O
¦¦
O

I know that electrons from the triple bond of the nitrogen in step 1 move to one N atom and this means that the O is attracted to the other N and they form NO.
I can also complete number 2 (i think) as it is the same as above, with different compounds. It's number 3 onwards that cause the problems.

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