In which of the following arrangements, ...

In which of the following arrangements, the order is correct according to the property indicated against it ?

`Al^(3+) lt Mg^(2+) lt Na^(+) lt F`- increasing ionic size

`B lt C lt N lt O` - increasing first ionization enthalpy

`I lt Br lt F lt Cl`- increasing electron gain enthalpy (with negative sign)

`Li lt Na lt K lt Rb` - increasing metallic radius

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The correct Answer is:

A, C, D

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