Advertisements
Advertisements
प्रश्न
Identify giving reason whether the following compound is aromatic or not.
Advertisements
उत्तर
The compound is non-aromatic since it has 4π electrons and hence, does not obey the Huckel rule of aromaticity.
APPEARS IN
संबंधित प्रश्न
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:
\[\ce{H - C ≡ C - H + H - O ->[{40%} H2SO4][{1%} HgSO4]}\] _____.
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.
Major product of the below mentioned reaction is, \[\ce{(CH3 )2 C = CH2 ->[ICI]}\]
Identify the compound (A) in the following reaction
Which of the following can be used as the halide component for friedal - crafts reaction?
2 – butyne on chlorination gives ______.
Describe the mechanism of Nitration of benzene.
Suggest the route for the preparation of the following from benzene.
3 – chloro nitrobenzene
How will you convert ethyl chloride into ethane?
Write the structure of the following alkanes.
5 – (2 – Ethyl butyl) – 3, 3 – dimethyldecane
How will distinguish 1 – butyne and 2 – butyne?
Which of the following is NOT a hetero-aromatic compound?
According to Huckel rule, a cyclic π molecular orbital formed by overlap of p orbitals must contain ____________ p electrons.
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?
\[\ce{But-1-ene -> Butan-2-ol}\]
Which of the following compounds is NOT obtained in thermal decomposition of propane in absence of air?
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 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 'A' in the following reaction.
\[\ce{\underset{}{A + Chloromethane} ->[anhydrous][AlCl3] \underset{\underset{}{}}{2-Chlorotoluene + 4-Chlorotoluene}}\]
Which of the following is most stable?
