Binary acid

Binary acid

Binary acids are certain molecular compounds in which hydrogen is combined with a second nonmetallic element.

Examples:CH4, NH3, H2O, HF, HCl, HBr, HI

Their strengths depend on the solvation of the initial acid, the H-X bond energy, the electron affinity energy of X, and the solvation energy of X. Observed trends in acidity correlate with bond energies, the weaker the H-X bond, the stronger the acid. For example, there is a weak bond between hydrogen and iodine in hydroiodic acid, making it a very strong acid.

Binary Acids are one of two classes of acids, the second being the oxoacids, which consist of a hydrogen, oxygen, and some other element.

The names of binary acids begin with "hydro-" followed by the name of the other element modified to end with "-ic".

References

*Hill; Petrucci; McCreary; Perry. General Chemistry, Fourth Edition. New Jersey, Pearson Prentice Hall. 2005

ee also

* Acid
* Oxoacid


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