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Basics of Organic Chemistry question

2017 · Shift 1 · Q10
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Basics of Organic Chemistry question

2017 · Shift 1 · Q10

JEE AdvancedChemistryBasics of Organic ChemistryNumerical+3 / −1
Among the following, the number of aromatic compound(s) is JEE Advanced 2017 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 37 English
Numerical answer
View written solutionFree

Correct answer: 5

The question asks for the number of aromatic compounds, but the actual list/structures of the compounds is missing from the prompt.

To determine aromaticity, we must examine each given compound using the usual criteria:

  1. It must be cyclic.
  2. It must be planar.
  3. It must be fully conjugated (continuous overlap of ppp orbitals).
  4. It must satisfy Hückel’s rule, i.e. contain (4n+2)(4n+2)(4n+2) π\piπ electrons.

Without the compounds themselves, the number of aromatic species cannot be derived independently.

However, the stored correct answer provided is 5.

So:

  • Based on the information actually visible in the prompt, the problem is incomplete.
  • If we must compare with the stored answer, the expected answer is 5.

Therefore, I cannot truly verify it step-by-step from first principles unless the missing structures/options are supplied.

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