Advertisements
Advertisements
Question
Why is it necessary to avoid even traces of moisture during the use of a Grignard reagent?
Advertisements
Solution
Grignard reagents are highly reactive and react with even traces of water to give corresponding hydrocarbons.
\[\ce{RMgX + H2O –>RH + Mg(OH)X}\]
APPEARS IN
RELATED QUESTIONS
Explain why Grignard reagents should be prepared under anhydrous conditions?
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:
In the preparation of chlorobenzene from aniline, the most suitable reagent is:
A Grignard reagent may be made by reacting magnesium with ____________.
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).
Reaction of Grignard reagent with aromatic aldehyde and subsequent aqueous treatment produces
\[\ce{R - CH2 - CCl2 - R ->[Peagent] R - C ≅ C - R}\]. The reagent is:-
A product (1) of above reaction is:-
Grignard reagent shows addition on
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?
Explain why Grignard reagents should be prepared under anhydrous conditions?
Explain why Grignard reagents should be prepared under anhydrous conditions?
