TS EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The correct order of acidity of $HClO, HBrO$ and $HIO$ is

A $HIO > HBrO > HClO$
B $HBrO > HIO > HClO$
C $HClO > HBrO > HIO$
D $HIO > HClO > HBrO$

Verified Solution

Answer & Solution

Correct Answer

(C) $HClO > HBrO > HIO$

Step-by-step Solution

Detailed explanation

The acidic character of hypohalous acid depends on the electronegativity of halogen. As electronegativity value of halogen increases the acidic strength of hyophalous acid. The electronegativity of the halogens decreases down the group. Hence, the correct acidic strength is…

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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The correct order of acidity of HClO,HBrO and HIO is

Step-by-step Solution

The correct order of acidity of $HClO, HBrO$ and $HIO$ is