MCQ
From the following which group of elements easily forms cation
- A$F,\,\,Cl,\,\,Br$
- ✓$Li,\,\,Na,\,\,K$
- C$O,\,\,S,\,\,Se$
- D$N,\,\,P,\,\,As$
✓
Answer
Correct option: B.
$Li,\,\,Na,\,\,K$
(b) $Li, Na$ and $K$ are alkali metals with low ionization energy and one electron in their outermost shell so they will form cation easily.
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