KEAM 2015 Physics and Chemistry Paper

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Question : 95 of 120

Marks: +1, -0

The correct order of first ionisation enthalpies of the following elements is

Be > Mg > Ca > Sr > Ra > Ba
Ra > Ba > Sr > Ca > Mg > Be
Be > Mg > Ca > Sr > Ba > Ra
Ra > Sr > Ba > Mg > Ca > Be
Be > Mg > Ca > Ra > Ba > Sr

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