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HNO3 nitric acid. The general rule is that the acid is stronger if it has more O atoms in a series such as this. This is because the ClO3- ion is more stable than BrO3- ion because the negative charge on oxygen is reduced by stronger backbonding with Cl atom compared to Br atom because of large difference in energy level of Br and O.
Greater the number of negative atoms present in the oxy-acid make the acid stronger. The net effect makes it easier from the proton release and increases the acid strength. For oxoacids with different numbers of O atoms, acid strength increases with number of O atoms or O. The answer should be HClO4 because its much more electronegative with oxygen atoms. The answer should be H2SO3 because strength of oxoacids of the different elements get depends on electronegativity and increases by it.
H2SO3 is the stronger acid since S is more electronegative. Greater is the oxidation state of the central atom, the more it attracts the electrons towards itself and also, more it stabilises the conjugate base. Therefore bonding between hydrogen and iodide is weaker.
It will easily split in comparision of HF. Skip to content Natural sciences. How do you name this compound H2SO3 as an acid? Table of Contents.
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