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9. Hydricarbon — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
Consider the following compounds/species: 

The number of compounds/species which obey Huckel's rule is $..........$

  • A
    $6$
  • ✓
    $4$
  • C
    $5$
  • D
    $2$
✓

Answer

Correct option: B.
$4$
b
Huckle's rule $=(4 n+2) \pi$ electrons Comp $(i), (ii), (v), (vii)$ obey Huckle's rule.

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