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

Options

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

Answer

C, D