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)`

How many number of species has/have presence of X - O - X bond in N_(2)O_(3), N_(2)O_(5), H_(4)P_(2)O_(6), H_(4)P_(2)O_(7), H_(2)S_(2)O_(8), H_(2) S_(2)O_(5), N_(2)O_(4)

Number of acids having central atom in +3 oxidation state among the following is (a) HNO_(2) (b) HNO_(3) (c) H_(3)PO_(2) (d) H_(3)PO_(3) (e) H_(3)PO_(4) (f) H_(4)P_(2)O_(5) (g) H_(4)P_(2)O_(7) (h) H_(2)SO_(3) (i) H_(2)S_(2)O_(7) (j) H_(2)S_(2)O_(8) (k) H_(2)SO_(4)

How many of the following molecules do not contain peroxide linkage? H_(2)S_(2)O_(5),H_(2)SO_(5),H_(2)S_(2)O_(8),H_(4)P_(2)O_(8),H_(3)PO_(5),H_(2)S_(2)O_(6)

The oxo-acids of P_(2)O_(5) are H_(3)PO_(4), H_(3)P_(2)O_(7), HPO_(3) , and H_(3)PO_(3) .

Out of H_(2)S_(2)O_(3),H_(2)S_(4)O_(6),H_(2)SO_(5) and H_(2)S_(2)O_(8) peroxy acids are:

Number of acidic oxides among the following is: (a) N_(2)O (b) NO (c) N_(2)O_(3) (d) N_(2)O_(4) (e) N_(2)O_(5) (f) P_(4)O_(6) (g) P_(4)O_(10) (h) SO_(3) (i) B_(2)O_(3) (j) CO