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The set of Ionic species formed by hydration of hydroxyl ions are : 

Option: 1

\mathrm{H_3O_{2}^{-} ,\ H_5O_{3}^{-} ,\ H_7 O_{4}^{-}}


Option: 2

\mathrm{H_5 O_{2}^{+} ,\ H_7 O_{3}^{+}}


Option: 3

Only \mathrm{H_3O_{2}^{-}}


Option: 4

Only \mathrm{H_5O_{2}^{+}}


Answers (1)

best_answer

As we have learned

Hydronium and hydroxyl ions -

In aqueous solution the hydronium ion is further hydrated to give species like H5O2+ ,  H7O3+  and   H9O4+  similarly hydroxyl ions is hydrated to give several ionic species like  H3O2-,   H5O3-  and  H7O4-  etc.

Hence, the correct answer is Option (1)

Posted by

Devendra Khairwa

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