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In which of the following options the or...

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

A

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

B

`B lt C lt N lt O` (increasing first ionisation enthalpy)

C

`I lt Br lt Cl lt F` (increasing electron gain enthalpy)

D

`Li lt Na lt K lt Rb`(increasing metallic radius)

Text Solution

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The correct Answer is:
B, C
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