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11 Nov 2021

Given information

The given acids are needed to be ranked in the order of decreasing strength in acid. 

 

Step-by-step explanation

Step 1.

Solution A is a type of binary acid solution, and its dissociation is shown as:

 

This is a complete dissociation, hence the given acid HA is a strong acid.

Solution B depicts some of the undissociated molecules of acid HA, whether some are dissociated to form   and   ions.

This shows this acid HA is a mild acid. 

Solution C depicts that all the molecules of the given acid HA are in undissociated form. Hence, the acid in this solution is a weak acid. 

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Principles of Chemistry Molecular Approach
3rd Edition, 2014
Tro
ISBN: 9780321971944

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