1.

Ozone is triatomic allotropic form of oxygen.It is an unstable , dark blue diamagnetic gas, O_3 is thermodyanamically unstable and decomposes to O_2(O_3toO_2+O) . Due to the ease with which it liberates atoms of nascent oxygen, it acts as a powerful oxidising agent second only to F_2 is oxidising power. A binary compound of oxygen with anotherelement is called oxide.The oxides vary widely in their nature and properties. Which of the following statements is incorrect ?

Answer»

`O_3` is used as DISINFECTANT
`NO_2` is oxidised to `N_2O_5` by `O_3`
`O_3^-` is paramagnetic in nature
Dry iodine REACTS with ozone and form `I_2O_5`

Solution :(A)Correct statement (B)`2NO_2+O_3 to N_2O_5 + O_2`
(C )`O_3^-` is paramagnetic.
(D)`2I_2 +9 [O_3] to I_4O_9`(YELLOW solid ) +`9 O_2`


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