Which is not present in Grignard reagent ? from Chemistry JEE Ye

Subject

Chemistry

Class

JEE Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

71.

Mutarotation is not exhibited by

  • sucrose

  • glucose

  • maltose

  • fructose


72.

Phenol reacts with dilute nitric acid at normal temperature to form

  • o-nitrophenol

  • m-nitrophenol

  • o-and p-nitropheno

  • 2, 4, 6-trinitrophenol


73.

No new C-C bond is formed in

  • Cannizaro reaction

  • Reimer- Tiemann reaction

  • Wurtz reaction

  • Aldol condensation


74.

Which of the following compounds does not give Friedel-Craft's reaction ?

  • benzene

  • xylene

  • nitrobenzene

  • phenol


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75.

Which is not present in Grignard reagent ?

  • Methyl group

  • Magnesium ion

  • Halogen atom

  • Carboxylic group


D.

Carboxylic group

The general formula of Grignard reagent is RMgX (an organometallic compound). Thus, carboxylic group is not present in Grignard reagent.

Methyl group → R-Mg-X ← Halogen atom


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