Question
Chemistry Question on Classification of elements & periodicity in properties
Which one of the following orders is not in accordance with the property stated against it?
A
F2>Cl2>Br2>I2 Oxidising power
B
HI>HBr>HCI>HF Acidic property in water
C
F2>Cl2>Br2>I2 Electronegativity
D
F2>Cl2>Br2>I2 Bond dissociation energy
Answer
F2>Cl2>Br2>I2 Bond dissociation energy
Explanation
Solution
Incorrect order of bond dissociation energy
F2>Cl2>Br2>I2 due to following order of size
I>Br>Cl>F.