The P Block Elements - Result Question 73
####76. Which one of the following orders is not in accordance with the property stated against is ?
[2006]
(a) $HI>HBr>HCl>HF$ : Acidic property in water
(b) $F_2>Cl_2>Br_2>I_2$ : Electronegativity
(c) $F_2>Cl_2>Br_2>I_2:$ Bond dissociation energy
(d) $F_2>Cl_2>Br_2>I_2$ : Oxidising power
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Solution:
- (c) Bond dissociation energy of fluorine is less because of its small size and repulsion between electrons of two atoms. So option (c) is wrong order. The correct order is
