What is the result of two or more atoms forming chemical bonds with each other?
1 answer:
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Answer:
The correct answer is option 3.
Explanation:
The expression of is given by :
Rise in temperature will result in more dissociation of water molecules into hydrogen ions and hydroxide ions.
With an increase in concentration of hydrogen ions and hydroxide ions value of will also increase.
Benzene is produced as a side product when water react with phenyl magnesium bromide during Grignard reactions.
<h3>What is Grignard Reaction ? </h3>The Grignard reaction involves an R-Mg-X, a carbon chain bound to a magnesium halide, used to form alcohols by attacking carbonyls such as in aldehydes or ketones.
Here R act as a nucleophile and Mg-X act as a electrophile. Instead of attacking carbonyl, which is present in the reaction, the benzene ring will attack water molecules present around, grabbing a H⁺ and pushing away MgBr .
The required reaction is :
PhMgBr + H₂O → Ph-H + MgBrOH
Thus from the above conclusion we can say that it is always advised to use dry Grignard to avoid this reaction.
Learn more about the GRIGNARD REACTION here :
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