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(Cr2O7)2- + H2O -> CrO4- + 2H+
Chromate is yellow and Dichromate is orange. If the solution is yellow, then by LeChatlier's Principle, if an acid is added, then the Dichromate will form predominately.
Wiki User
∙ 11y ago
Wiki User
∙ 14y agoJust put the chromate compound into strong acidic solution its colour changes yellow to orange which is confirmation of formation of dichromate ion,
2CrO4-- + 2H+ ----> Cr2O7-- + H2O
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How do you convert dichromate ion into chromate ion?
Conversion is increased when the pH increase.
How do we convert dichromate ion into chromate ion?
The conversion increase when the pH increase.
How chromate ions are converted into dichromate ions?
In an acidic solution chromate ions are converted into dichromate ions.
How do you work out the valency of the dichromate radical -Cr2O7?
The dichromate ion has the charge -2.
Which Medicines contain potassium chromate?
I think Potassium chromate is not used in medicines. However, Potassium dichromate is used in making a homeopathic medicine called Kali Bichromicum
How do you convert dichromate ion into chromate ion?
Conversion is increased when the pH increase.
How do we convert dichromate ion into chromate ion?
The conversion increase when the pH increase.
Symbol for dichromate?
Potassium chromate is K2CrO4 Potassium dichromate is K2Cr2O7
What is the compound name for Ag2Cr2O7?
Silver Chromate Ag=Silver CrO4= Chromate(a polyatomic ion)
What is the chemical name of SnCr2O7?
The name of SnCrO4 is Tin II Chromate or stannous chromate.
How chromate ions are converted into dichromate ions?
In an acidic solution chromate ions are converted into dichromate ions.
What is the name for PbCr2O7?
Lead (II) Dichromate
What is the chemical name of ZnCrO4?
It is Ferrous chromate or Iron (II) chromate .
What is formula of dichromate?
Fe2(Cr2O7)3
What is Na2CrO4 3H2O?
Na2Cr2O7 (the formula is not Na2CrO7) is sodium dichromate. Na2CrO4 is sodium chromate.
What color is Lead II dichromate?
You probably mean lead chromate since you have mentioned an oxidation state of 2+ for the lead ion and the chromate ion has an oxidation state of 2-. Lead chromate is yellow. Please see the link.
What is the name of the compound with the formula Na2CrO4?
Li2Cr2O7 - lithium dichromate
