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प्रश्न
Why is it necessary to avoid even traces of moisture during the use of a Grignard reagent?
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उत्तर
Grignard reagents are highly reactive and react with even traces of water to give corresponding hydrocarbons.
\[\ce{RMgX + H2O –>RH + Mg(OH)X}\]
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संबंधित प्रश्न
How will you bring about the following conversion?
Bromomethane to propanone
How will you bring about the following conversion?
1-Chlorobutane to n-octane
Explain why Grignard reagents should be prepared under anhydrous conditions?
Write the structure of the major organic product in the following reaction:
\[\ce{C6H5ONa + C2H5Cl ->}\]
How the following conversion can be carried out?
2-Chlorobutane to 3, 4-dimethylhexane
How the following conversion can be carried out?
Chloroethane to butane
A Grignard reagent may be made by reacting magnesium with ____________.
Which of the following alkyl halides is used as a methylating agent?
Which one of the following produces acyl halide by treatment with PCl5?
Identify the following named reaction:
\[\ce{C2H5Br ->[Na/Dry ether] C2H5 - C2H5}\]
Reaction of Grignard reagent with aromatic aldehyde and subsequent aqueous treatment produces
Grignard reagent shows addition on
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?
Explain why Grignard reagents should be prepared under anhydrous conditions?
Explain why Grignard reagents should be prepared under anhydrous conditions?
Explain why Grignard reagents should be prepared under anhydrous conditions?
