MCQ
The set representing the correct order of first ionisation potential is
- A$K > Na > Li$
- ✓$Be > Mg > Ca$
- C$B > C > N$
- D$Ge > Si > C$
✓
Answer
Correct option: B.
$Be > Mg > Ca$
b
(b) $1^{st}$ $I.P.$ decreases down the group.
(b) $1^{st}$ $I.P.$ decreases down the group.
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