Question

The alkaline earth metals $Ba,$ $Sr,$ $Ca$ and $Mg$ may be arranged in the order of their decreasing first ionisation potential as.

• A. $Mg,$ $Ca,$ $Sr,$ $Ba,$
• B. $Ca,$ $Sr,$ $Ba,$ $Mg$
• C. $Sr,$ $Ba,$ $Mg,$ $Ca$
• D. $Ba,$ $Mg,$ $Ca,$ $Sr,$

Answer 1

Answer: (A)

$Mg,$ $Ca,$ $Sr,$ $Ba,$

Answer 2

Element – Mg Ca Sr Ba

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