The chromate ion is CrO42-
The formula, including the charge, for a chromate ion is CrO4-1.
The chromate ion has a charge of 2-. Its symbol is CrO42-.
Yellow
No, Zinc chromate is lime yellow in colour
The chromate ion (CrO4-2) has yellow colour so all the chromate compounds including silver chromate is yellow in colour.
The chromate ion is CrO42-
The formula for a chromate ion is CrO4-2, and its charge is -2.
The formula, including the charge, for a chromate ion is CrO4-1.
The chromate ion has a charge of 2-. Its symbol is CrO42-.
Yellow
No, Zinc chromate is lime yellow in colour
(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.
Valency = 2 -
CrO4-2
CrO4-2
This is the chromate anion. It is written CrO42- . It is tetrahedral in shape (like methane). It gives a yellow colour to salts that contain it such as K2CrO4.