Question:
Explain why the stability of oxoacids of chlorine increases in the order given below:
HClO< HClO2< HClO3< HClO4
Solution:
As the electronegativity of halogen decreases, the tendency of XO3 group ( X = halogens) to withdraw electrons of the O-H bond towards itself decreases and hence the acid strength of the perhalic acid decreases.
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