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प्रश्न
Identify giving reason whether the following compound is aromatic or not.
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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संबंधित प्रश्न
Name the following:
The hydrocarbon said to possess carcinogenic property.
Write the balanced chemical reaction to get benzene from Sodium benzoate.
Predict the possible product of the following reaction.
Chlorination of nitrobenzene
Predict the possible product of the following reaction.
bromination of phenol
Identify the main product of the reaction.
\[\begin{array}{cc}
\ce{CH3 - CH - CH3 ->[{60%}H2SO4][373 K]}\\
|\phantom{............}\\\ce{OH}\phantom{..........}
\end{array}\] _______.
Name two reagents used for acylation of benzene.
Major product of the below mentioned reaction is, \[\ce{(CH3 )2 C = CH2 ->[ICI]}\]
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?
Which of the following can be used as the halide component for friedal - crafts reaction?
An alkane is obtained by decarboxylation of sodium propionate. Same alkane can be prepared by ______.
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.
Bromo benzene
Write the structure of the following alkanes.
2, 3 – Dimethyl – 6 – (2 – methyl propyl) decane
Identify A and B.
How will distinguish 1 – butyne and 2 – butyne?
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.
Which of the following is INCORRECT for aromatic hydrocarbons?
The alkane formed on heating sodium butanoate with sodalime is ______.
Sodium benzoate on decarboxylation gives ____________.
Dow's process is used for the synthesis of an aromatic compound (X). Identify X.
Arenes on treatments with chlorine in the presence of ferric chloride as a catalyst undergo what type of reaction?
Identify the X and Y in the following reactions.
Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide]CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]
- Write IUPAC name of the product.
- State the rule that governs formation of this product.
