मराठी

What is the correct order of decreasing stability of the following cations. - Chemistry

Advertisements
Advertisements

प्रश्न

What is the correct order of decreasing stability of the following cations.

I. \[\ce{CH3 - \overset{⊕}{C}H - CH3}\]
II. \[\ce{CH3 - \overset{⊕}{C}H - OCH3}\]
III. \[\ce{CH3 - \overset{⊕}{C}H - CH2 - OCH3}\]

पर्याय

  • II > I > III

  • II > III > I

  • III > I > II

  • I > II > III

MCQ

उत्तर

II > I > III

Explanation:

Thus, the stability of carbocations decreases in the order: II > I > III.

shaalaa.com
Fundamental Concepts in Organic Reaction Mechanism - Fission of a Covalent Bond
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 12: Organic Chemistry Some Basic Principles and Techniques - Multiple Choice Questions (Type - I) [पृष्ठ १४६]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry [English] Class 11
पाठ 12 Organic Chemistry Some Basic Principles and Techniques
Multiple Choice Questions (Type - I) | Q 9 | पृष्ठ १४६

संबंधित प्रश्‍न

For the following bond cleavages, use curved arrows to show the electron flow and classify homolysis or heterolysis. Identify reactive intermediate produced as free radical, carbocation and carbanion.

\[\ce{CH3O - OCH3 -> CH3\overset\bullet{\text{O}} + \overset\bullet{\text{O}}CH3}\]


For the following bond cleavages, use curved-arrows to show the electron flow and classify as homolysis or heterolysis. Identify reactive intermediate produced as free radical, carbocation and carbanion.


For the following bond cleavages, use curved-arrows to show the electron flow and classify as homolysis or heterolysis. Identify reactive intermediate produced as free radical, carbocation and carbanion.


For the following bond cleavages, use curved-arrows to show the electron flow and classify as homolysis or heterolysis. Identify reactive intermediate produced as free radical, carbocation and carbanion.


Which of the following carbocation is most stable?


Covalent bond can undergo fission in two different ways. The correct representation involving a heterolytic fission of CH3 – Br is:


Write structures of various carbocations that can be obtained from 2-methylbutane. Arrange these carbocations in order of increasing stability.


(I) (II) (III) (IV)

Among the given species the resonance stabilised carbocations are:


\[\ce{CH2 = \overset{⊕}{C}H}\] \[\ce{CH3 - \overset{⊕}{C}H2}\] \[\ce{HC ≡ \overset{⊕}{C}}\]
A B C D

The correct order of stability of given carbocation is:


A solution of (–) – 1 – chloro–1–phenylethane in toluene racemises slowly in the presence of a small amount of SbCl5, due to the formation of ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×