MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following compounds would not give tert-butyl alcohol when treated with excess methylmagnesium bromide? |
| A. | acetyl chloride |
| B. | acetaldehyde |
| C. | methyl acetate |
| D. | acetic anhydride |
| Answer» C. methyl acetate | |
| 2. |
Which of the following compounds gives a primary alcohol upon reaction with phenylmagnesium bromide? |
| A. | 2-methyloxirane |
| B. | ethylene oxide |
| C. | ethyl formate |
| D. | carbon dioxide |
| Answer» C. ethyl formate | |
| 3. |
A Grignard s reagent may be made by reacting magnesium with which of the following compound? |
| A. | Methyl amine |
| B. | Diethyl ether |
| C. | Ethyl iodide |
| D. | Ethyl alcohol |
| Answer» D. Ethyl alcohol | |
| 4. |
Which of the following compounds gives a secondary alcohol upon reaction with methylmagnesium bromide? |
| A. | Butyl formate |
| B. | 3- pentanone |
| C. | Pentanal |
| D. | Methyl butanoate |
| Answer» D. Methyl butanoate | |
| 5. |
Alkyl halides can be converted into Grignard reagents by _______________ |
| A. | Boiling them with Mg ribbon in alcoholic solution |
| B. | Warming them with magnesium powder in dry ether |
| C. | Refluxing them with MgCl<sub>2</sub> solution |
| D. | Warming them with Mgcl<sub>2</sub> |
| Answer» C. Refluxing them with MgCl<sub>2</sub> solution | |