MCQ
Spin isomerism is shown by
- Adichlorobenzene
- ✓hydrogen
- Cdibasic acid
- D$n-$ butane
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[Molar mass of $\mathrm{KCl}=74.5$ ]
$CH _{2} = C = C H - C H _{3}$
$\quad 1\quad \quad 2\quad \quad 3\quad \quad \quad 4$
molecule, the hybridization of carbon $1,2,3$ and $4$ respectively are :