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प्रश्न
Read the following reaction and answer the questions given below:
- Write the name of the reaction.
- Identify the electrophile in it.
- How is this electrophile generated?
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उत्तर
- The name of the reaction is Friedel-Craft’s alkylation reaction.
- The electrophile in the reaction is +CH3.
- The electrophile +CH3 is generated as follows:
\[\ce{\underset{\text{Methyl chloride}}{CH3 -}Cl + AlCl3 -> \underset{\text{Electrophile}}{^+CH3 +}AlCl^-_4}\]
APPEARS IN
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.
nitration of toluene
Identify the main product of the reaction:
\[\ce{HC ≡ C - CH3 ->[H2][Pd-C/quinoline]}\] _______.
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, \[\ce{(CH3 )2 C = CH2 ->[ICI]}\]
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 one of the following is non aromatic?
An alkane is obtained by decarboxylation of sodium propionate. Same alkane can be prepared by ______.
Give IUPAC name for the following compound.
\[\ce{CH ≡ C – C ≡ C – C ≡ CH}\]
Write short notes on ortho, para directors in aromatic electrophilic substitution reactions.
How is propyne prepared from an alkylene dihalide ?
Describe the mechanism of Nitration of benzene.
Suggest the route for the preparation of the following from benzene.
3 – chloro nitrobenzene
What happens when Isobutylene is treated with acidified potassium permanganate?
What happens when ethylene is passed through cold dilute alkaline potassium permanganate.
Write the structure of the following alkanes.
5 – (1, 2 – Dimethyl propyl) – 2 – methylnonane
Which of the following is an aromatic compound?
Which of the following molecules has shortest C - C bond length?
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.
\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr->[Benzoyl][peroxide] H3C - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]
- 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 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 the IUPAC name of the product.
- State the rule that governs the formation of this product.
Identify 'A' in the following reaction.
\[\ce{\underset{}{A + Chloromethane} ->[anhydrous][AlCl3] \underset{\underset{}{}}{2-Chlorotoluene + 4-Chlorotoluene}}\]
