What is the formula for caloric acid?

2 Answers
Truong-Son N.
Apr 14, 2017

Well, CHLORIC acid is #"HClO"_3#. Caloric acid... doesn't exist.

It should be recognized that hypochlorous acid, chlorous acid, chloric acid, and perchloric acid are a family of chlorine-based oxoacids (#"HClO"#, #"HClO"_2#, #"HClO"_3,# #"HClO"_4#), whose acidity increases as the number of oxygens increases.

Each oxygen, more electronegative than the central chlorine atom, polarizes the electron density towards them, weakening the #"O"-"H"# bond within the oxoacid, making it a stronger acid with the increasing number of oxygens.

It is generally considered that #"HClO"_3# and #"HClO"_4# are strong whereas #"HClO"# and #"HClO"_2# are weak.

anor277
Apr 14, 2017

Do you mean #"carbonic acid".............?#

Explanation:

Or do you mean #"chloric acid"......?#

#"Carbonic acid"# is FORMALLY #H_2CO_3#, and is probably better represented by hydrated carbon dioxide, i.e. #H_2O*CO_2#.

For #"chloric acid"#, #HClO_3#, we have a #Cl(+V)# oxidation state. #"Perchloric acid"#, #HClO_4#, exhibits a #Cl(+VII)# oxidation state.

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