Which compound(s) out of the following is/are not aromatic?

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JEE Mains Previous Paper 1 (Held On: 11 Jan 2019 Shift 1)
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  1. (b), (c) and (d)
  2. (c) and (d)
  3. (b)
  4. (a) and (c)

Answer (Detailed Solution Below)

Option 1 : (b), (c) and (d)
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JEE Main 04 April 2024 Shift 1
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Detailed Solution

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Concept:

A compound is considered to be aromatic, if it follows three rules: 

(a) Must be cyclic and planar. 

(b) Must have conjugated system in it. 

(c) It must follow Huckel rule which states that number of π -electrons = (4n + 2)

(a) 11.01.2019 Shift 1 Synergy JEE Mains D34

 

(b) 11.01.2019 Shift 1 Synergy JEE Mains D35

 

(c) 11.01.2019 Shift 1 Synergy JEE Mains D36

 

(d) 11.01.2019 Shift 1 Synergy JEE Mains D37

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