Question #38143

what is the definition of a metal phosphonate?

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Expert's answer

Answer on Question#38143-Chemistry-Inorganic Chemistry

Question

What is the definition of a metal phosphonate?

Answer

Metal phosphonate is a salt of a phosphonic acid – a diprotic acid of general formula:



wherein R is an alkyl group.

For example, sodium phosphonates are formed from phosphonic acid as follows



In case of bivalent metals (e.g. Ca) the formula of metal phosphonate is



In case of trivalent metals (e.g. Al) the formula of metal phosphonate is


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