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Assertion (A): The compound cyclooctane has the following structural formula: It is cyclic and has conjugated 8π-electron system but it is not an aromatic compound. Reason (R): (4n + 2) π electrons - Chemistry

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प्रश्न

Assertion (A): The compound cyclooctane has the following structural formula:

It is cyclic and has conjugated 8π-electron system but it is not an aromatic compound.

Reason (R): (4n + 2)π electrons rule does not hold good and ring is not planar.

विकल्प

  • Both A and R are correct and R is the correct explanation of A.

  • Both A and R are correct but R is not the correct explanation of A.

  • Both A and R are not correct.

  • A is not correct but R is correct.

MCQ

उत्तर

Both A and R are correct and R is the correct explanation of A.

Explanation:

Because cyclooctatetraene is tubbed shaped

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Isomerism
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Hydrocarbons - Multiple Choice Questions (Type - I) [पृष्ठ १६९]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 11
अध्याय 13 Hydrocarbons
Multiple Choice Questions (Type - I) | Q 44 | पृष्ठ १६९

संबंधित प्रश्न

What is the relationship between the members of following pairs of structures? Are they structural or geometrical isomers or resonance contributors?

\[\begin{array}{cc}
\ce{D}\phantom{......}\ce{H}\\
\backslash\phantom{......}/\\
\ce{C = C}\\
\phantom{...}/\phantom{......}\backslash\phantom{...}\\\ce{H}\phantom{.......}\ce{D}
\end{array}\]

\[\begin{array}{cc}
\ce{D}\phantom{......}\ce{D}\\
\backslash\phantom{......}/\\
\ce{C = C}\\
\phantom{...}/\phantom{......}\backslash\phantom{...}\\\ce{H}\phantom{.......}\ce{H}\end{array}\]


Find out the type of isomerism exhibited by the following pair.

CH3 – CH2 – NH – CH2 - CH3 and CH3 - NH - CH2 - CH2 - CH3


Find out the type of isomerism exhibited by the following pair.


Find out the type of isomerism exhibited by the following pair.


Choose the correct option.

Which type of isomerism is possible in CH3 CHCHCH3?


What type(s) of isomerism is(are) shown by [Co(NH3)4Br2]Cl?


But-1-ene and But-2-ene are examples of ____________.


Which of the following is a functional isomer of pentan-2-ol?


Which of the following pairs are not functional group isomers?

I. \[\begin{array}{cc}
\phantom{.......................}\ce{O}\\
\phantom{.......................}||\\
\ce{CH3 - CH2 - CH2 - CH2 - C - H}
\end{array}\]
II. \[\begin{array}{cc}
\phantom{.................}\ce{O}\\
\phantom{.................}||\\
\ce{CH3 - CH2 - CH2 - C - H}
\end{array}\]
III. \[\begin{array}{cc}
\ce{CH3 - CH2 - C - CH2 - CH3}\\
\phantom{}||\\
\phantom{}\ce{O}
\end{array}\]
IV. \[\begin{array}{cc}
\ce{CH3 - CH - CH2 - C - H}\\
\phantom{...}|\phantom{............}||\phantom{}\\
\phantom{...}\ce{CH3}\phantom{.........}\ce{O}\phantom{}
\end{array}\]

(i) II and III

(ii) II and IV

(iii) I and IV

(iv) I and II


The molecules having dipole moment are:

(i) 2,2-Dimethylpropane

(ii) trans-Pent-2-ene

(iii) cis-Hex-3-ene

(iv) 2, 2, 3, 3 - Tetramethylbutane.


Tautomerism is exhibited by ______. 


Which of the following does NOT exhibit geometrical isomerism? 


The compound which shows metamerism is ______


Acetamide is isomer of ______.


Compound with molecular formula C3H6O can show ______.


Which of the following pairs of compounds are positional isomers?


Which of the following reactions will not produce a racemic product?


Which of the following pairs of compounds is an example of position isomerism?


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