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Which of the following has highest dissociation constant?

Option: 1

H_2O


Option: 2

H_2S


Option: 3

H_2Se


Option: 4

H_2Te


Answers (1)

best_answer

As we learnt

Acidic nature of hydrides of oxygen family -

The hydrides of this group behave as diprotic acids in aqueous solution 

- wherein

The acidic character increasing from H2S to H2Te when H2O is normal 

 

 

H2Te   is the strongest acid among the given option . Stronger the acid higher the dissociation constant value 

 

Posted by

Ritika Kankaria

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