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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Why is it necessary to avoid even traces of moisture during the use of a Grignard reagent?

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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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पाठ 10: Haloalkanes and Haloarenes - Exercises [पृष्ठ १४४]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 10 Haloalkanes and Haloarenes
Exercises | Q III. 66. | पृष्ठ १४४

संबंधित प्रश्‍न

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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.

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\[\ce{C2H5Br ->[Na/Dry ether] C2H5 - C2H5}\]


Reaction of Grignard reagent with aromatic aldehyde and subsequent aqueous treatment produces


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 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:


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Explain why Grignard reagents should be prepared under anhydrous conditions?


Explain why Grignard reagents should be prepared under anhydrous conditions?


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Explain why Grignard reagents should be prepared under anhydrous conditions?


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