Talk:Acid anhydride

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Acetic acid CAN form an ester with a phenol. Though, it wont become an irreversible reaction (which is the case with acid anhydrides).

[edit] Taking this article to absurd limits?

I was going to stick something like this in the article and then I realized that it is kinda crazy. It would be nice to figure out a way of describing mixed anhydrides without describing all matter!

Classically, mixed anhydrides arise from the dehydration of two different oxy acids:

2 XOH + YOH → XOY + H₂O

Again, in principle, this conversion could desribe the formation of a large number of binary oxides.

• Example:

HNO₂ + H₂SO₄ → ONHSO₄ ( = ONOSO₂OH) + H₂O

The scope of the mixed anhydrides is even greater when one considers the possibility of one of the acids not being an hydroxyl acid.

XOH + YH → XY + H₂O

• Example:

HNO₂ + HCl → NOCl + H₂O

This analysis suggests that all chemical compounds could in fact be described as acid anhydrides. --Smokefoot 23:50, 24 September 2006 (UTC)