Let the oxidation state of the transition element of compound `K_2Cr_2O_7,KMnO_4 and K_2FeO_4` be X,Y, and Z respectively, calculate `X+Y+Z`.

Oxidation number of Cr in K_ 2 Cr _ 2 O _ 7, CrO _ 5 and Cr _ 2 (SO _ 4 ) _ 3 respectively, is -

Find the oxidation number of: Cr in K_(2)Cr_(2)O_(7)

Which of the following properties is/are common to both K_2Cr_2O_7 & KMnO_4 ?

The oxidation state of sulphur in H_(2)SO_(5) and chromium in K_(2)Cr_(2)O_(7) respectively is :-

Calculate the oxidation number of the underlined element in the following molecules. K_(2)ul(Cr_(2))O_(7)

In that compounds KMnO_(4) and K_(2)Cr_(2)O_(7) the highest oxidation state the element:

The oxidation states of iron atoms in compounds (A) ,(B) and (C) , respectively , are x , y and z . The sum of x , y and z is _______ Na_(4)[Fe underset((A))((CN)_(5)) (NOS)] " " Na_(4) underset((B))([FeO_(4)]) " " [Fe_(2) underset((C))((CO)_(9))]

Metalic tin (Sn) is oxidised to its maximum oxidation state by KMnO_4 and K_2Cr_2O_7 separately in the presence of HCl. Calculate the ratios of the volumes of decimolar solutions of KMnO_4 and K_2Cr_2O_7 that would be reduced by 1.0 g of Sn (Atomic weight of Sn=118.6 ).

Reaction of an inorganic sulphite X with dilute H_(2)SO_4) generates compound Y . Reaction of Y with NaOH gives X . Further , the reaction of X and Y and water affords compound Z . Y and Z respectively are :

In the chemical reaction, K_2 Cr_2 O_7 + xH_2 SO_4 + ySO_2 rarr K_2SO_4 + Cr_2(SO_4)_3 + zH_2O, the value of x,y and z respectively are :