Which of the hydrated species may exist?
I : `H_(5)O_(2)^(+)` , II : `H_(3)O^(+)` , III : `H_(3)O_(2)^(-)` , IV : `H_(7)O_(3)^(+)`

Among the following, cyclic species are: (I) H_(5)P_(3)O_(10) (II) [B_(3)O_(3)(OH)_(5)]^(2-) (III) H_(5)P_(5)O_(15) (IV) P_(3)N_(3)Cl_(6)

Among the following, cyclic species are: (I) H_(5)P_(3)O_(10) (II) [B_(3)O_(3)(OH)_(5)]^(2-) (III) H_(5)P_(5)O_(15) (IV) P_(3)N_(3)Cl_(6)

The oxoacids of S having -S-S- bond is/are I. H_(2)S_(2)O_(4) II. H_(2)S_(2)O_(7) III. H_(2)S_(2)O_(6) IV. H_(2)S_(2)O_(3) Choose the correct option.

Acidic order of following compounds is : (I) H_(2)O_(2)," (II)" H_(2)O, (III) H_(2)," (IV)"D_(2)O

Which of the following molecules are homoatomic ? (i) H_(2)O , (ii) O_(3) , (iii) NH_(3) , (iv) Cl_(2)

In which of the following reaction H_(2)O_(2) acts as a reducing agent - (I) H_(2) O_(2) + 2H^(+) + 2e^(-) to 2H_(2) O (II) H_(2)O_(2) - 2e^(-) to O_(2) + 2H^(+) (III) H_(2)O_(2) + 2e^(-) to O_(2) + 2H^(+) (IV) H_(2)O_(2) + 2OH^(-) to 2H_2O + O_2 + 2e^-

H_(3)underline(P)O_(5)+H_(2)O to H_(3)PO_(4)+H_(2)O_(2)

H_(3)underline(P)O_(5)+H_(2)O to H_(3)PO_(4)+H_(2)O_(2)