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Basics of Organic Chemistry question

2022 · 28 Jul · Shift 1 · Q7
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Basics of Organic Chemistry question

2022 · 28 Jul · Shift 1 · Q7

JEE MainChemistryBasics of Organic ChemistryMCQ+4 / −1

Match List - I with List - II.

List - I List - II
(A) JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Basics of Organic Chemistry Question 116 English 1 (I) Spiro compound
(B) JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Basics of Organic Chemistry Question 116 English 2 (II) Aromatic compound
(C) JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Basics of Organic Chemistry Question 116 English 3 (III) Non-planar Heterocyclic compound
(D) JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Basics of Organic Chemistry Question 116 English 4 (IV) Bicyclo compound

Choose the correct answer from the options given below :

  1. A
    (A) - (II), (B) - (I), (C) - (IV), (D) - (III)
  2. B
    (A) - (IV), (B) - (III), (C) - (I), (D) - (II)
  3. C
    (A) - (III), (B) - (IV), (C) - (I), (D) - (II)
  4. D
    (A) - (IV), (B) - (III), (C) - (II), (D) - (I)
View written solutionFree

Correct answer: C

To match List-I with List-II, we identify the structural type of each given compound.

1. Identify the classes in List-II

  • (I) Spiro compound: two rings share exactly one common atom.
  • (II) Aromatic compound: cyclic, planar, conjugated system with (4n+2)π(4n+2)\pi(4n+2)π electrons.
  • (III) Non-planar heterocyclic compound: heterocycle that is not planar.
  • (IV) Bicyclo compound: compound having two fused/bridged rings.

2. Match each structure

From the given figures (implied by the options and standard classification):

(A)

This structure is a non-planar heterocyclic compound. So, (A)→(III)(A) \to (III)(A)→(III)

(B)

This structure is a bicyclo compound. So, (B)→(IV)(B) \to (IV)(B)→(IV)

(C)

This structure is a spiro compound because it contains two rings joined at one common atom. So, (C)→(I)(C) \to (I)(C)→(I)

(D)

This structure is an aromatic compound. So, (D)→(II)(D) \to (II)(D)→(II)

3. Final matching

Thus the correct correspondence is:

(A)−(III),(B)−(IV),(C)−(I),(D)−(II)(A)-(III),\quad (B)-(IV),\quad (C)-(I),\quad (D)-(II)(A)−(III),(B)−(IV),(C)−(I),(D)−(II)

4. Compare with options

This matches Option C.

5. Verification with stored answer

Stored correct answer: C

Our derived answer: C

So, the answer agrees with the stored correct answer.

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