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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>I2F_2 > Cl_2 > Br_2 > I_2 Oxidising power

B

HI>HBr>HCI>HFHI > HBr > HCI > HF Acidic property in water

C

F2>Cl2>Br2>I2F_2 > Cl_2 > Br_2 > I_2 Electronegativity

D

F2>Cl2>Br2>I2F_2 > Cl_2 > Br_2 > I_2 Bond dissociation energy

Answer

F2>Cl2>Br2>I2F_2 > Cl_2 > Br_2 > I_2 Bond dissociation energy

Explanation

Solution

Incorrect order of bond dissociation energy

F2>Cl2>Br2>I2F_2 > Cl_2 > Br_2 > I_2 due to following order of size

I>Br>Cl>FI > Br > Cl > F.