हिंदी

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

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प्रश्न

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

एक पंक्ति में उत्तर
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उत्तर

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

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अध्याय 15: Hydrocarbons - Exercises [पृष्ठ २६०]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
अध्याय 15 Hydrocarbons
Exercises | Q 6. A. | पृष्ठ २६०

संबंधित प्रश्न

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 giving reason whether the following compound is aromatic or not.


Name two reagents used for acylation of benzene.


Read the following reaction and answer the questions given below:

  1. Write the name of the reaction.
  2. Identify the electrophile in it.
  3. How is this electrophile generated?

Major product of the below mentioned reaction is, \[\ce{(CH3 )2 C = CH2 ->[ICI]}\]


Which one of the following is non aromatic?


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


Which of the following is aliphatic saturated hydrocarbon?


Identify the compound 'Z' in the following reaction

\[\ce{C2H6O ->[Al2O3][623 K] X ->[O3] Y ->[Zn/H2O] (Z)}\]


Give IUPAC name for the following compound.

\[\ce{CH ≡ C – C ≡ C – C ≡ CH}\]


Identify the compound A, B, C and D in the following series of reactions.


Write short notes on ortho, para directors in aromatic electrophilic substitution reactions.


How is propyne prepared from an alkylene dihalide ?


Suggest a simple chemical test to distinguish propane and propene.


How does Huckel rule help to decide the aromatic character of a compound?


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

4 – chlorotoluene


What happens when ethylene is passed through cold dilute alkaline potassium permanganate.


How will you prepare propane from a sodium salt of fatty acid?


Which among the following compounds has highest boiling point?


Phenol on distillation with zinc dust gives ____________.


Direct bromination of benzene with excess reagent results in the formation of ____________.


Sodium benzoate on decarboxylation gives ____________.


α-butylene when subjected to hydroboration oxidation reaction, yields ____________.


Which of the following compounds on bromination yields ?


Arenes on treatments with chlorine in the presence of ferric chloride as a catalyst undergo what type of reaction?


Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr->[Benzoyl][peroxide] H3C - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]

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

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