Q42.Arrange in the correct order of stability (decreasing order) for the following molecules: (I) (II) (III) (IV) (1) (I) > (II) > (III) > (IV) (2) (IV) > (III) > (II) ≈ (I) (3) (I) > (II) ≈ (III) > (IV) (4) (III) > (I) ≈ (II) > (IV)
What This Question Tests
This question evaluates the ability to determine the relative stability of various carbocations, requiring analysis of resonance effects (allyl), hyperconjugation, and the high instability of carbocations on sp2 hybridized carbons (vinyl, phenyl), as well as special stabilization mechanisms (cyclopropylmethyl).
Concepts Tested
📚 NCERT Sections This Tests
8.2 — Name The Following Compounds According To Iupac System Of Nomenclature:
Chemistry Class 12 · Chapter 8
8.2 Name the following compounds according to IUPAC system of nomenclature: (i) CH3CH(CH3)CH2CH2CHO (ii) CH3CH2COCH(C2H5)CH2CH2Cl (iii) CH3CH=CHCHO (iv) CH3COCH2COCH3 (v) CH3CH(CH3)CH2C(CH3)2COCH3 (vi) (CH3)3CCH2COOH (vii) OHCC6H4CHO-p
5.11 — Draw All The Isomers (Geometrical And Optical) Of:
Chemistry Class 11 · Chapter 5
5.11 Draw all the isomers (geometrical and optical) of: (i) [CoCl2(en)2] + (ii) [Co(NH3)Cl(en)2] 2+ (iii) [Co(NH3)2Cl2(en)]+
5.15 — Discuss The Nature Of Bonding In The Following Coordination Entities On The
Chemistry Class 11 · Chapter 5
5.15 Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory: (i) [Fe(CN)6] 4– (ii) [FeF6] 3– (iii) [Co(C2O4)3]3– (iv) [CoF6] 3–
📋 Question Details
- Chapter
- GOC
- Topic
- Stability of carbocations
- Year
- 2013
- Shift
- 22 Apr Online
- Q Number
- Q42
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 12: Organic Chemistry - Some Basic Principles and Techniques
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