| chromium trioxide |
In chemistry, chromic acid (or 'Jones reagent') is a chromium (Cr) compound, yet to be isolated, that would have the formula H2CrO4. There is a related acid, also yet to be isolated called dichromic acid with the formula H2Cr2O7. While these acids are not available, they are known through their divalent anions (chromate and dichromate respectively) and the compounds formed from them. ...
출처: en.wikipedia.org/wiki/Chromium_trioxide
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