MCQ
In Lother Meyer curve, descending position (next to peak) is held by
- AHalogens
- ✓Alkaline earth metals
- C$d\,-$ block elements
- DAlkali metals
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$CH _{2} = C = C H - C H _{3}$
$\quad 1\quad \quad 2\quad \quad 3\quad \quad \quad 4$
molecule, the hybridization of carbon $1,2,3$ and $4$ respectively are :


