CBSE Class 12-science Answered
HF,HCl,HBr,HI- order of increasing acidic strength?what is the reason behind it?
F2,Cl2,Br2,I2- increasing BDE?
Asked by Aarushi - | 04 Feb, 2012, 02:43: PM
Expert Answer
The size of ha;ogen atom is the reason behind this fact. Acidity refers to donation of H ion. As the size of halogen atom increases (F<Cl<Br<I) the bond strength of H-X bond decreases. So, removal of H ion becomes easy. Therefore, the acidity increases from HF to HI.
Answered by | 05 Feb, 2012, 10:06: AM
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