1
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
Two statements, one Assertion and the other Reason are given. Choose the correct option.
Assertion: Heterocyclic compounds like Pyridine and Thiophene are non-aromatic compounds.
Reason: According to Huckel rule for a given compound to exhibit aromaticity, the molecule must be planar, cyclic system having delocalised $(4 n+2) \pi$ electrons.
2
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Arrange the following free radicals in the increasing order of their stability:
| A | B | C | D |
|---|---|---|---|
 |
 |
 |
 |
3
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Arrange the following in the decreasing order of their $\mathrm{pK}_{\mathrm{a}}$ values.
4
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the compound which is non-aromatic in nature.
Questions Asked from General Organic Chemistry (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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