The pair that contains mixed oxides is (A) Cl_(2)O_(7) and Fe_(3)O_(4) (B) Pb_(3)O_(4) and Fe_(3)O_(4) (C) C_(3)O_(2) and Fe_(3)O_(4) (D) N_(2)O_(5) and Cl_(2)O_(7)

Fe_(3)O_(4) is:

FeCr_(2)O_(4)+Na_(2)CO_(3)+O_(2) to Fe_(2)O_(3)darr+Na_(2)CrO_(4)

FeCr_(2)O_(4)+Na_(2)CO_(3)+O_(2) to Fe_(2)O_(3)darr+Na_(2)CrO_(4)

[Fe(NO_(2))_(3)Cl_(3)] and [Fe(O-NO)_(3)Cl_(3)] show

Among the following oxides how many of them are suboxides ? (a) C_(3)O_(2) , (b) N_(2)O , (c ) NO_(2) , (d) CO (e) Fe_(3)O_(4) , (f) KO_(2)

Which of the following compound is most acidic? Cl_(2)O_(7) , P_(4)O_(10) , SO_(3) B_(2)O_(3)

Which of the following compound is most acidic? Cl_(2)O_(7) , P_(4)O_(10) , SO_(3) B_(2)O_(3)

FeCr_(2)O_(4)+NaOH+"air" to (A)+Fe_(2)O_(3) (A)+(B) to Na_(2)Cr_(2)O_(7) Na_(2)Cr_(2)O_(7)+X overset(Delta)to Cr_(2)O_(3) Cr_(2)O_(3)+Y overset(Delta)to Cr Na_(2)CrO_(4) and Fe_(2)O_(3) are separated by :

(ii) Find the oxidation number of: (1) S in Na_(2)S_(4)O_(6) (2) Cr in K_(2)CrO_(7) (3) Mn in K_(2)MnO_(4) (4) Fe in Fe_(3)O_(4)

What mass of H_(2)SO_(4) could be produced (in kg ) in the process given below if 5.52 kg of FeS_(2) is used FeS_(2)(s) + O_(2)(g) to Fe_(2)O_(3)(s)+SO_(2)(g) SO_(2) (g) + O_(2)(g) to SO_(3)(g) SO_(3)(g) + H_(2)SO_(4) (I) to H_(2)s_(2)O_(7)(I) H_(2)S_(2)O_(7)(I) + H_(2)O(l) to H_(2)SO_(4)(sq) (At. wt. of Fe = 56, S = 32 )