In which of the following options the order arrangement does not agree with the variation of property indicated against it?

Options

A. `Al^(3+) lt Mg^(2+) lt Na^(+) lt F^(-)` (increasing ionic size)
B. `B lt C lt N lt O` (increasing first ionization enthalpy)
C. `I lt Br lt Cl lt F` (Increasing electron gain enthalpy)
D. `Li lt Na lt K lt Rb` (increasing metallic radius)

Answer

B, C

Explanation

(b) BltCltNltO (Given I.P. order)
BltCltOltN (correct )
(c) IltBrltClltF (given `DeltaH_(eg)` order)
IltBrltFltCl (correct)