This is a mixture of 2K+ and Cr2O72- ions in strong sulfuric acid, made from potassium chromate.
2CrO4- + 2H+ ----> Cr2O72- + H2O
chromate-yellow -> dichromate-orange
Note:
Potassium ions do NOT react, they are tribune-ions
Potassium Dichromate. K2Cr2O7 density of 2.67 g/cm3 molecular weight of 294.185 grams per mole
7
acetone does not react with potassium dichromate
The chemical formula of potassium dichromate is K2Cr2O7
224 grams of Oxygen will be in 2 moles of Potassium dichromate.
potassium dichromate (PDC)
potassium dichromate
acetone does not react with potassium dichromate
+6
ethanal
No
The chemical formula of potassium dichromate is K2Cr2O7
ethanol is converted into acetic acid....
k2cr2o7K2Cr2O7
The chemical formula of potassium dichromate is K2Cr2O7; and the molecular mass is 294,185.
http://wiki.answers.com/What_is_the_word_equation_for_the_reaction_of_sulphur-di-oxide_with_acidified_potassium_dichromate
The aqueous acidified potassium dichromate(VI) solution turns from orange to green.
Potassium chromate is K2CrO4 Potassium dichromate is K2Cr2O7
KAlCr2O7