Question

Alright guys. .I have another query. .What us grignard reagent. ....

Answer 1

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R-Mg-X is known as grignards reagent where X is Halogen and R is Alkyl group

Answer 2

 (pronounced /ɡriɲar/) is an organometallic chemical reaction in which alkyl, vinyl, or aryl-magnesium halides(Grignard reagents) add to a carbonyl group in an aldehyde or ketone.[1][2] This reaction is an important tool for the formation of carbon–carbon bonds.[3][4] The reaction of an organic halide with magnesium is not a Grignard reaction, but provides a Grignard reagent.