One of the following combinations illustrate law of reciprocal proportions:
(A) `N_(2)O_(3)`, `N_(2)O_(4)` `N_(2)O_(5)`,
(B) NaCl, NaBr, NaI
(C) `CS_(2)`, `CO_(2)`, CO
(D) `PH_(3)`, `P_(2)O_(3)`, `P_(2)O_(5)`

Out of the following oxides of nitrogen how many of them are neutral oxides? N_(2)O, NO, N_(2)O_(3), NO_(2),N_(2)O_(4), N_(2)O_(5)

Write the oxyacids of the following oxides: N_(2)O_(3), N_(2)O_(5),N_(2)O_(4)

underline(N_(2))O_(3)+H_(2)O to HNO_(2)

underline(N_(2))O_(3)+H_(2)O to HNO_(2)

Which of the following is true for N_(2)O_(5)

How many of the following compounds has X-X bonds i.e., single covalent bond between two same elements in their molecules H_(4)P_(2)O_(6), H_(4)P_(2)O_(5), H_(4)P_(2)O_(7), N_(2)O, N_(2)O_(3), N_(2)O_(4), N_(2)O_(5) , (HPO_(3))_(3) .

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)

underline(N_(2))O_(4)+H_(2)O to HNO_(3)+HNO_(2)

The total number of compounds having at least one bridging oxo group among the molecules given below is N_(2)O_(3), N_(2)O_(5), P_(4)O_(6), P_(4)O_(7), H_(4)P_(2)O_(5), H_(5)P_(3)O_(10), H_(2)S_(2)O_(3), H_(2)S_(2)O_(5)