Which of the hydrated species can exist? I:H5O+2II:H3O+III:H3O−2IV:H7O+3 Select alternate from:
A
II only
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B
I and II
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C
I,II and IV
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D
I,II,III and IV
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Solution
The correct option is CI,II,III and IV Water on self ionization form H3O+ ions.Water in strong acid also lead to formation of H5O+2,H3O−2 and H7O+3.In strong acidH3O+ is unstable.