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Arrange the following order of property ...

Arrange the following order of property indicated against each set :
(i) HF,HCl,HBr,HI- increasing bond dissociiation enthelpy.
(ii) `H_(2)O, H_(2)S, H_(2)Se, H_(2) Te` - increasing acidic character.

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(i) The arrangement of the given hydrogen halides in increasing order of bond - dissociation
enthalpy is given below : `H - 1 lt H - Br lt H - Cl lt H - F`
(ii) The increasing order of acidic character of the given hyrides of Group 16 elements is given below : `H_(2)O lt H_(2)S lt H_(2)Se lt H_(2) Te`
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