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GRIGNARD REAGENT MCQs

Total Questions : 5
Question 1. Grignard reagent is not prepared in aqueous medium but prepared; in ether medium because thereagent…………
  1.    Is highly reactive in ether
  2.    Is insoluble in water
  3.    Reacts with water
  4.    Becomes inactive in water
 Discuss Question
Answer: Option C. -> Reacts with water
Question 2. Chemical name of Grignard reagent is
  1.    Sodium thiosulphate
  2.    Ethyl magnesium chloride
  3.    Sodium bicarbonate
  4.    Sodium sulphite
 Discuss Question
Answer: Option B. -> Ethyl magnesium chloride
Question 3. Chemical name of Grignard reagent is
  1.    Sodium thiosulphate
  2.    Ethyl magnesium chloride
  3.    Sodium bicarbonate
  4.    Sodium sulphite
 Discuss Question
Answer: Option B. -> Ethyl magnesium chloride
Question 4. Which of the following reagents, when treated with phenylmagnesiuim bromide followed by acid workup, will yield 2-phenylethanol?
  1.    Diethyl ether
  2.    Ethanol
  3.    Ethanal
  4.    Oxirane
 Discuss Question
Answer: Option D. -> Oxirane
Question 5. Which of the following compounds would not give tert-butyl alcohol when treated with excess methylmagnesium bromide?
  1.    acetyl chloride
  2.    methyl acetate
  3.    acetic anhydride
  4.    acetaldehyde
 Discuss Question
Answer: Option D. -> acetaldehyde

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