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

In which of the following options order of arrangement does not agree

1.	In which of the following options order of arrangement does not agree with the variating of property indicated against it ?
Answer» `Al ^(3+) lt mg ^(2+) lt Na ^(+) lt F ^(-)` (increasing ionic size) `B lt C lt N lt O` (increasing first ionisation enthalpy) `I lt Br lt Cl lt K lt Rb` (increasing ELECTRON gain enthalpy) `Li lt Na lt K lt Rb` (increasing metalic RADIUS) Solution :For (b) correct order is `B lt C lt O lt N` For (c ) correct order is `I lt Br lt F lt Cl`