quiz 6

Question 1

Choose the incorrect statements about the Grignard reagent?

Answer 1

An organosodium compound is not very reactive as compared to a Grignard reagent.

Question 1

Alkyl halides can be converted into Grignard reagents by ___.

Answer 1

Warming them with magnesium powder in dry ether

Question 2

Which of the following compounds does not react with methylmagnesium bromide to produce tertiary alcohol?

Answer 2

4-heptanone

Question 3

____ compound will give secondary alcohol on reacting with methylmagnesium bromide?

Answer 3

Pentanal

Question 4

By reacting magnesium with which compound, can Grignard’s reagent be made?

Answer 4

Ethyl iodide

Question 5

Which group is not present in Grignard reagent?

Answer 5

−COOH group

Question 6

Which of the following reagents, when treated with phenylmagnesiuim bromide followed by acid workup, will yield 2-phenylethanol?

Answer 6

Oxirane

Question 7

Which of the following compounds would not give tert-butyl alcohol when treated with excess methylmagnesium bromide?

Answer 7

acetaldehyde

Question 8

Grignard reagent behaves as a strong base.

Answer 8

True

Question 9

The Grignard reagent is also called as Organolithium halide.

Answer 9

False