- chromium(VI)
oxide or
chromic anhydride) is an
inorganic compound with the
formula CrO3. It is the
acidic anhydride of
chromic acid, and is
sometimes marketed under...
- chromium(II)
chromate Chromium trioxide (chromium(VI) oxide),
CrO3 Chromium(VI)
oxide peroxide,
CrO5
Mixed valence species, such as Cr8O21
Chromate and dichromate...
-
these oxidations. One
family of
Cr(VI)
reagents employs the
complex CrO3(pyridine)2. Sarett's reagent: a
solution of
CrO3(pyridine)2 in pyridine. It was...
- degrade,
releasing the
carbonyl product and an ill-defined
Cr(IV) product:
CrO3(OCH2R)− →
CrO2OH− + O=CHR The
deuterated alcohols HOCD2R
oxidize about...
- by
adding chromium trioxide to
water (cf.
manufacture of
sulfuric acid).
CrO3 + H2O ⇌ H2CrO4 In practice, the
reverse reaction occurs:
molecular chromic...
-
trioxide is the
anhydride of
chromic acid: H2CrO4⟶H2O+
CrO3{\displaystyle {\ce {H2CrO4 -> H2O +
CrO3}}}
Vanadium trioxide is the
anhydride of
vanadous acid:...
-
gives red
crystals of
chromic anhydride (chromium trioxide,
CrO3): K2Cr2O7 + 2 H2SO4 → 2
CrO3 + 2 KHSO4 + H2O On
heating with
concentrated acid, oxygen...
- H3PO2 + 2 Cr2O3 → 4
CrO + H3PO4 It is
readily oxidized by the atmosphere.
CrO is basic,
while CrO3 is acidic, and Cr2O3 is amphoteric.
CrO
occurs in the spectra...
- ArCOOH). Finally, the
complex of
chromium trioxide and 3,5-dimethylpyrazole (
CrO3−dmpyz) will
selectively oxidize a
benzylic methylene group to a carbonyl:...
-
hydrochloric acid: C5H5N + HCl +
CrO3 → [C5H5NH][
CrO3Cl] In one
alternative method,
formation of
chromyl chloride (
CrO2Cl2) fume
during the
making of the...
