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Basics of Organic Chemistry question

2025 · 4 Apr · Shift 2 · Q12
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Basics of Organic Chemistry question

2025 · 4 Apr · Shift 2 · Q12

JEE MainChemistryBasics of Organic ChemistryMCQ+4 / −1
In which pairs, the first ion is more stable than the second? JEE Main 2025 (Online) 4th April Evening Shift Chemistry - Basics of Organic Chemistry Question 5 English
  1. A
    (A) & (B) only
  2. B
    (B) & (D) only
  3. C
    (A) & (C) only
  4. D
    (B) & (C) only
View written solutionFree

Correct answer: A

The question asks which pairs of ions have the first ion more stable than the second.
However, the actual ion pairs labeled (A), (B), (C), (D) are not shown in the prompt. Only the final multiple-choice combinations are provided:

  • Option A: (A)(A)(A) and (B)(B)(B) only
  • Option B: (B)(B)(B) and (D)(D)(D) only
  • Option C: (A)(A)(A) and (C)(C)(C) only
  • Option D: (B)(B)(B) and (C)(C)(C) only

So the essential chemical structures to compare are missing.

Step 1: What is needed to solve

To decide whether the first ion is more stable than the second in each pair, we must inspect the ions in pairs (A),(B),(C),(D)(A), (B), (C), (D)(A),(B),(C),(D) and compare stability using factors such as:

  1. Resonance stabilization
  2. Inductive effect
  3. Hyperconjugation
  4. Aromaticity / antiaromaticity
  5. Charge on electronegative atom vs carbon
  6. Hybridization

But none of these ion structures are visible here.

Step 2: Can the answer be derived from the given text alone?

No. Since the actual ion pairs are absent, the problem is incomplete as presented. A rigorous derivation is not possible from the available information.

Step 3: Comparison with stored answer

The stored correct answer is A, i.e. (A)(A)(A) and (B)(B)(B) only.

Because the required ion structures are missing, I cannot independently verify that choice from chemistry reasoning alone.

So, I do not have enough information to confirm the stored answer.

If you provide the image or the actual ion pairs (A)(A)(A), (B)(B)(B), (C)(C)(C), and (D)(D)(D), I can solve it fully and verify the correct option step by step.

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