What is the correct lewis structure of ammonium cyanate ion? I do have a structure but it seems partially correct. If I'm wrong, then please inform that also.
closed as off-topic by Mithoron, Todd Minehardt, user55119, A.K., andselisk♦ Feb 9 at 3:26
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First thing is that there will be no lone pair in nitrogen as the lone pair is donated to the 4th H+ ion. This forms the ammonium ion.
Now, cyanate ion is formed by [OCN]-. The negative charge is due to the three lone pairs in O (instead of two).