Which of the following is incorrect order of property as indicated ?

Options

A. `Na^(+) lt F^(-) lt O^(2-) lt Ne lt Ar` : Atomic size
B. `Br lt Se lt As lt Ge` :Metallic character
C. `Na lt Al lt Si lt Mg` :Ionisation energy
D. `I lt Br lt Cl lt F` :Electron affinity

Answer

B, C, D

Explanation

Correct order is:
(b) `Ge gt Se gt As gt Br`: metallic character
(c) `si gt Mg gt Al gt Na`: Ionisation energy
(d) `Cl gt F gt Br gt I`: electron affinity