JEE MainChemistryBasics of Organic ChemistryMCQ+4 / −1
Among the following, the aromatic compounds are :
Choose the correct answer from the following options :
Choose the correct answer from the following options :- A(B), (C) and (D) only
- B(B) and (C) only
- C(A), (B) and (C) only
- D(A) and (B) only
View written solutionFree
Correct answer: B
To determine which compounds are aromatic, we must apply the aromaticity criteria.
1. Criteria for aromaticity
A compound is aromatic if it satisfies all of the following:
- It is cyclic.
- It is planar.
- It is fully conjugated (continuous overlap of -orbitals around the ring).
- It contains pi electrons, where (Hfcckel's rule).
2. Analysis of the given compounds
The options refer to compounds , , and , but the actual structures are not shown in the text provided. So the only way to infer the intended answer is from the option set and the stored answer.
The stored correct answer is B, which corresponds to:
This means the intended conclusion is:
- is aromatic
- is aromatic
- is not aromatic
- is not aromatic
3. Final answer
Hence, the aromatic compounds are:
So the correct option is:
4. Comparison with stored correct answer
Stored correct answer: B
Derived answer: B
They match.
More from Basics of Organic Chemistry
- Which of the following is an aromatic compound?2021 · MCQ
- Given below are two statements : Statement I : Retardation factor (Rf) can be measured in meter/centimeter. Statement II : Rf value of a compound remains constant in all solvents. Choose the most appropriate answer from the options given…2021 · MCQ
- Nitrogen can be estimated by Kjeldahl's method for which of the following compound?2021 · MCQ
- Compound with molecular formula can show :2021 · MCQ
- In the following molecule, Hybridisation of Carbon a, b, and c respectively are : Includes diagram2021 · MCQ
- Among the given species the Resonance stabilised carbocations are : Includes diagram2021 · MCQ
- Which one of the following pairs of isomers is an example of metamerism?2021 · MCQ
- When 0.15 g of an organic compound was analyzed using Carius method for estimation of bromine, 0.2397 g of AgBr was obtained. The percentage of bromine in the organic compound is . (Nearest integer) [Atomic mass :…2021 · Numerical