How many of the following species contain bridged oxygen atom in their structure
`Cl_2O_7`,`S_3O_9`,`P_4O_10`,`P_4O_6`,`Mn_2O_7`,`N_2O_5`, `CrO_4^-2`,`CrO_2O_7^-2`, `(HPO_3)_3`

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)

How many bridging oxygen atoms are presents in P_(4)O_(10) ?

How many bridging oxygen atoms are presents in P_(4)O_(10) ?

Which of the following has the greatest affinity for water: P_(4)O_(10). Cl_(2)O_(7),I_(2)O_(5) .

In how many of the following compounds of sulphur, there is S-S bond (only single bond not double bond between two sulphur atoms.) H_2S_2O_4, H_2S_2O_3, H_2S_2O_5, H_2S_2O_6, H_2S_2O_7, H_2S_2O_8, S_2Cl_2, "cyclic"(SO_3)_3 .

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) .

Which of the following statements is/are correct about the reaction. 4CrO_(5)+6H_(2)SO_(4)to2Cr_(2)(SO_(4))_(3)+6H_(2)O+7O_(2)

Which of the following is amphoteric oxide? Mn_(2)O_(7),CrO_(3),Cr_(2)O_(3),CrO,V_(2)O_(5),V_(2)O_(4)

Draw the Lewis dot structures of the following multicentred compounds: I_2O_5 , Cl_2O_7

Out of the following how many oxides are basic: TiO,Sc_2O_3,Ti_2O_3,VO,V_2O_5,CrO_3,Cr_2O_3,CuO,TiO_2