The point group symmetryof CH₂=C=CH₂ is · ABC26PH0465

Subject: Physical Chemistry · Chapter: Group Theory · Topic: Symmetry Elements Point Groups · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Easy

The point group symmetryof $\mathrm{CH}_{2}=\mathrm{C}=\mathrm{CH}_{2}$ is

(a)$\mathrm{D}_{2 \mathrm{h}}$

(b)$\mathrm{C}_{2 \mathrm{h}}$

(c)$\mathrm{C}_{2 \mathrm{v}}$

(d)$\mathrm{D}_{2 \mathrm{d}}$

Answer

Answer: D ✓ checked by 4AB · confidence high

Explanation

Allene (perpendicular CH₂ planes) is D₂d (d).

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