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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

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.

एका वाक्यात 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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पाठ 15: Hydrocarbons - Exercises [पृष्ठ २६०]

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

संबंधित प्रश्‍न

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 the main product of the reaction:

\[\ce{H - C ≡ C - H + H - O ->[{40%} H2SO4][{1%} HgSO4]}\] _____.


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


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


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?

Identify the compound (A) in the following reaction


Consider the nitration of benzene using mixed con H2SO4 and HNO3 if a large quantity of KHSO4 is added to the mixture, the rate of nitration will be ______.


Which of the following is aliphatic saturated hydrocarbon?


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 the route for the preparation of the following from benzene.

m - dinitro benzene


Write the structure of the following alkanes.

2, 3 – Dimethyl – 6 – (2 – methyl propyl) decane


Which of the following is an aromatic compound?


When acetylene is passed through red hot iron tube at 873 K, ____________ is/are obtained as product/s.


Identify the hydrocarbon compound from following containing carbon atoms in the range of C6 to C8?


Which among the following compounds has highest boiling point?


According to Huckel rule, a cyclic π molecular orbital formed by overlap of p orbitals must contain ____________ p electrons.


Which of the following is INCORRECT for aromatic hydrocarbons?


Sodium benzoate on decarboxylation gives ____________.


Which of the following reagents can bring about following conversion?

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


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 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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