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Chemistry Homework Help => YBTC chemistry for young children => Topic started by: Avni on May 09, 2024, 05:18:32 PM

Title: Caro's Acid
Post by: Avni on May 09, 2024, 05:18:32 PM
I wanted to do some "research" on Caro's acid because it's very easy to make and there is almost NO already done research on it. If I were to mix H2SO4 and H2O2 yields H2SO5 and H2O. Do you have any ideas on how to isolate the H2SO5? I was thinking boiling it, but I have little to no idea on how to make sure I am evaporating the H2O and not the H2SO5. Also, I tried to use the boiling point formula/Clausius–Clapeyron equation, but most of the values for those equations were unknown for Caro's Acid.
Title: Re: Caro's Acid
Post by: uma on May 10, 2024, 03:43:00 AM
Caro's acid is peroxymonosulfuric acid and is very strong oxidizing agent because of the presence of peroxy linkage connected to S which has very high oxidation number. It is also very explosive in nature.Its boiling point information is not available as it decomposes before boiling.
https://en.wikipedia.org/wiki/Peroxymonosulfuric_acid
Check the peroxo linkage in the structure.
Its melting point is 45 deg C so its better to store below 45 deg C in the solid form or in the form of its ionic salts.
Title: Re: Caro's Acid
Post by: Avni on May 10, 2024, 10:55:50 PM
Ok, thank you!