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प्रश्न
What happens when methyl bromide is treated with sodium in the presence of dry ether?
उत्तर
\[\ce{\underset{Methyl bromide}{CH3 - Br} + 2Na + Br - CH3 ->[Dry ether][Wurtz reaction] \underset{Ethane}{CH3 - CH3} + 2NaBr}\]
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संबंधित प्रश्न
Identify A, B, C, D, E, R and R1 in the following:
How will you bring about the following conversion?
Bromomethane to propanone
How will you bring about the following conversion?
1-Chlorobutane to n-octane
What happens when bromobenzene is treated with Mg in the presence of dry ether?
Write the structure of main compounds A and B in the following reaction:
A Grignard reagent may be made by reacting magnesium with ____________.
Which of the following alkyl halides is used as a methylating agent?
What would be the reactant and reagent used to obtain 2, 4-dimethyl pentan-3-ol?
Which of the following statements are correct about the reaction intermediate?
(i) Intermediate (c) is unstable because in this carbon is attached to 5 atoms.
(ii) Intermediate (c) is unstable because carbon atom is sp2 hybridised.
(iii) Intermediate (c) is stable because carbon atom is sp2 hybridised.
(iv) Intermediate (c) is less stable than the reactant (b).
Why is it necessary to avoid even traces of moisture during the use of a Grignard reagent?
Identify the following named reaction:
\[\ce{C2H5Br ->[Na/Dry ether] C2H5 - C2H5}\]
Which of the statements about Grignard reagent is false?
\[\ce{R - CH2 - CCl2 - R ->[Peagent] R - C ≅ C - R}\]. The reagent is:-
A product (1) of above reaction is:-
The product formed in the first step of the reaction
\[\begin{array}{cc}
\ce{Br}\phantom{......}\\
|\phantom{.......}\\
\ce{CH3-CH2-CH-CH2-CH-CH3}\\
\phantom{...............}|\\
\phantom{................}\ce{Br}
\end{array}\]
with excess Mg/Et2O(Et = C2H5) is:
Explain why Grignard reagents should be prepared under anhydrous conditions?
Explain why Grignard reagents should be prepared under anhydrous conditions?
