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(NH_(4))_(2)Cr_(2)O_(7) on heating gives a gas which is also given by :
K_(2)Cr_(2)O_(7) on heating with aqueous NaOH gives
Among the following statement choose the true or false statements(s). K_(2)Cr_(2)O_(7) on heating with charcoal gives mettalic potassium and Cr_(2)O_(3) on heating in current of H_(2) the crystalline KMnO_(4) is converted into KOH and Mn_(3)O_(4) Hydrated ferric chloride on treatment with 2-2 -dimethoxypropane gives anhydrous ferric chloride.
H_(2)Cr_(2)O_(7) on heating with aqueous NaOH gives
In a redox reaction, dichromate ion (Cr_(2)O_(7)^(2-)) is reduced to Cr^(3+) ion, the equivalent mass of K_(2)Cr_(2)O_(7) in this reaction is :
Acidified K_(2)Cr_(2)O_(7) on reaction with hydrogen peroxide give deep blue solution due to formation of
Acidified solution of K_(2)Cr_(2)O_(7) on treatment with H_(2)O_(2) yields :