Question

please tell me the answer​

Answer 1

C one is the correct answer

Answer 2

Hydrochloric Acid is the strongest acid among following acids.

The acidity of acids depends on thier Pka values. So, we compare thier Pka values and find the strongest acid. We must know that:

Pka is inversely proportional to the Acidity of an Acid.

The Pka values of given acids are :

1- Pka of Ammonium Hydroxide = 8.86

2- Pka of Hydrochloric Acid = -6.3

3- Pka of Sulphuric Acid = -3

4- Pka of Acetic Acid = 4.75

The lowest Pka value is -6.3 of HCl.

So, the strongest acid among following acids is "Hydrochloric Acid".

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