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sir,acidic nature increases with increase in size.eg-HI>HBr.why?although Br- is more stable.please answer me. anamika singh

sir,acidic nature increases with increase in size.eg-HI>HBr.why?although Br- is more stable.please answer me.


anamika singh

Grade:

2 Answers

milind sharma
16 Points
11 years ago

size doesnt matter in determining the acidic nature of a compd. the main factor is electronegativity difference as well as the bond strength of the compd. so HBr is less acidic bcoz of the fact that the bond b/w the 2 atoms i.e. H and Br is relatively more strong than that of b/w H and I .

SO THE COMPD. HI CAN BE EASILY BROKEN INTO H AND Br AND AS WE KNOW THAT ACIDITY OF A COMPD. IS DEPENDENT ON THE FACT THAT HOW EASILY A COMPD. CAN DONATE H IONS.

 


nitin dahiya
16 Points
11 years ago

i dnt think that br- is more stable than i-.......

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