The Student Room Group

Chloric acid

My book states the formula for Chloric (I) acid to be HClO

but Wikipedia says it is HClO3?

Which one is correct?
Reply 1
Chloric Acid is HClO3

However, I think HClO is actually: http://en.wikipedia.org/wiki/Hypochlorous_acid
Reply 2
Original post by failingatm
Chloric Acid is HClO3

However, I think HClO is actually: http://en.wikipedia.org/wiki/Hypochlorous_acid


Thanks, first mistake in the book I found lol
Original post by xXxiKillxXx
Thanks, first mistake in the book I found lol


Chloric (I) acid - HClO - Hypochlorous acid
Chloric (III) acid - HClO2 - Chlorous acid
Chloric (V) acid - HClO3 - Chloric acid
Chloric (VII) acid - HClO4 - Perchloric acid.

The names on the left are the IUPAC names; the roman numerals tell you the formal oxidation state of chlorine in the molecule. The names on the right are the old, traditional names.
Reply 4
Original post by thegodofgod
Chloric (I) acid - HClO - Hypochlorous acid
Chloric (III) acid - HClO2 - Chlorous acid
Chloric (V) acid - HClO3 - Chloric acid
Chloric (VII) acid - HClO4 - Perchloric acid.

The names on the left are the IUPAC names; the roman numerals tell you the formal oxidation state of chlorine in the molecule. The names on the right are the old, traditional names.


Thank you! Now it makes sense !
Original post by xXxiKillxXx
My book states the formula for Chloric (I) acid to be HClO

but Wikipedia says it is HClO3?

Which one is correct?

i know this is really old but it might help someone else, chloric(1) acid is HClO the 1 refers to the oxidisation state of the Cl meaning the equation is HClO the equation of chloric acid is HClO3
Reply 6
Original post by diggerdog789
i know this is really old but it might help someone else, chloric(1) acid is HClO the 1 refers to the oxidisation state of the Cl meaning the equation is HClO the equation of chloric acid is HClO3

Strictly, we use Roman numerals rather than numbers to show the oxidation number.

chloric(I) rather than chloric(1)
chloric(VII) rather than chloric(7)
Original post by diggerdog789
i know this is really old but it might help someone else, chloric(1) acid is HClO the 1 refers to the oxidisation state of the Cl meaning the equation is HClO the equation of chloric acid is HClO3

The "one" in brackets must be a Roman numeral. Chloric(I) acid.
Reply 8
Original post by charco
The "one" in brackets must be a Roman numeral. Chloric(I) acid.

You're getting a bit slow in your advancing years.
Original post by Pigster
You're getting a bit slow in your advancing years.

You'd better believe it!

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