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प्रश्न
Identify giving reason whether the following compound is aromatic or not.
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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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संबंधित प्रश्न
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.
sulphonation of chlorobenzene
Predict the possible product of the following reaction.
bromination of phenol
Predict the possible product of the following reaction.
nitration of toluene
Identify giving reason whether the following compound is aromatic or not.
Identify giving reason whether the following compound is aromatic or not.
Identify giving reason whether the following compound is aromatic or not.
Name two reagents used for acylation of benzene.
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 ______.
Give IUPAC name for the following compound.
Ethyl isopropyl acetylene
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.
Suggest a simple chemical test to distinguish propane and propene.
Suggest the route for the preparation of the following from benzene.
3 – chloro nitrobenzene
Suggest the route for the preparation of the following from benzene.
m - dinitro benzene
Write the structure of the following alkanes.
5 – (1, 2 – Dimethyl propyl) – 2 – methylnonane
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.
A compound with molecular formula C4H4O has all the four carbon atom and the oxygen atom in the ring. It also has two carbon-carbon double bonds. The compound is ____________.
Which of the following is NOT alicyclic compound?
Dow's process is used for the synthesis of an aromatic compound (X). Identify X.
Which of the following reagents can bring about following conversion?
\[\ce{But-1-ene -> Butan-2-ol}\]
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 the IUPAC name of the product.
- State the rule that governs the formation of this product.
Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{.............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}\\
\end{array}\]
- Write IUPAC name of the product.
- State the rule that governs formation of this product.
Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH_3}\phantom{.................................}
\end{array}\]
- Write the IUPAC name of the product.
- State the rule that governs the formation of this product.
Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide]CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]
- Write IUPAC name of the product.
- State the rule that governs formation of this product.
Identify ortho and para-directing groups from the following:
\[\ce{\underset{I}{–CHO},\underset{II}{–NHCOCH3},\underset{III}{–OCH3},\underset{IV}{–SO3H}}\]
