Given below are two statements.
Statement I Acid strength increases in the order given as 
.
Statement II As the size of the elements 
and I increases down the group. the bond strength of 
, HBr and HI decreases and so the acid strength increases.
choose the correct answer from the options given below.
Text Solution
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The order of acidic strength is 
As we move down the group, the size of atom increases. Thus, the bond length also increases and bond enthalpy decreases. So, it becomes easier to break 
bond on moving down the group. This results the increase in the acidic strength. So, both Statement I and Statement II are true.
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