English

Identify giving reason whether the following compound is aromatic or not.

Advertisements
Advertisements

Question

Identify giving reason whether the following compound is aromatic or not.

One Line Answer
Advertisements

Solution

The compound is non-aromatic since it has 4π electrons and hence, does not obey the Huckel rule of aromaticity.

shaalaa.com
  Is there an error in this question or solution?
Chapter 15: Hydrocarbons - Exercises [Page 260]

APPEARS IN

Balbharati Chemistry [English] Standard 11 Maharashtra State Board
Chapter 15 Hydrocarbons
Exercises | Q 6. B. | Page 260

RELATED QUESTIONS

Write the balanced chemical reaction to get benzene from Phenol.


Predict the possible product of the following reaction.

Chlorination of nitrobenzene


Predict the possible product of the following reaction.

nitration of toluene


Identify the main product of the reaction.

\[\begin{array}{cc}
\ce{CH3 - CH - CH3 ->[{60%}H2SO4][373 K]}\\
|\phantom{............}\\\ce{OH}\phantom{..........}
\end{array}\] _______.


Identify A, B, C in the following reaction sequence:

\[\ce{CH3 - CH = CH2 ->[Br2/CCl4][room temperature] A ->[Zn] B ->[dil. alkaline][KMnO4] C}\]


Identify giving reason whether the following compound is aromatic or not.


Identify giving reason whether the following compound is aromatic or not.


Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?


Give IUPAC name for the following compound.

\[\ce{CH ≡ C – C ≡ C – C ≡ CH}\]


How is propyne prepared from an alkylene dihalide ?


Suggest the route for the preparation of the following from benzene.

4 – chlorotoluene


Suggest the route for the preparation of the following from benzene.

m - dinitro benzene


How will you convert ethyl chloride into ethane?


How will distinguish 1 – butyne and 2 – butyne?


Which of the following is an aromatic compound?


Phenol on distillation with zinc dust gives ____________.


Which of the following reagents can bring about following conversion?

\[\ce{But-1-ene -> Butan-2-ol}\]


Which of the following compounds is NOT obtained in thermal decomposition of propane in absence of air?


Which of the following compounds on bromination yields ?


Read the following reaction and answer the questions given below. 

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide]CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}\\
\end{array}\]

  1. Write the IUPAC name of the product.
  2. State the rule that governs the formation of this product.

Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]

  1. Write the IUPAC name of the product.
  2. State the rule that governs the formation of this product.

Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{...............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide]CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{..................................}
\end{array}\]

  1. Write the IUPAC name of the product.
  2. State the rule that governs the formation of this product.

Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide]CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]

  1. Write IUPAC name of the product.
  2. State the rule that governs formation of this product.

Read the following reaction and answer the questions given below. 

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{..................................}
\end{array}\] 

  1. Write IUPAC name of the product.
  2. State the rule that governs formation of this product.

Identify 'A' in the following reaction.

\[\ce{\underset{}{A + Chloromethane} ->[anhydrous][AlCl3] \underset{\underset{}{}}{2-Chlorotoluene + 4-Chlorotoluene}}\]


Identify ortho and para-directing groups from the following:

\[\ce{\underset{I}{–CHO},\underset{II}{–NHCOCH3},\underset{III}{–OCH3},\underset{IV}{–SO3H}}\]


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×