MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will be the decreasing order of electrophilic nitration of the following compounds? |
| A. | S > R > P > Q |
| B. | R > S > P > Q |
| C. | R > P > S > Q |
| D. | P > S > R > Q |
| Answer» D. P > S > R > Q | |
| 2. |
Among the following, which one is not a meta directing group in an electrophilic attack? |
| A. | a) |
| B. | b) |
| C. | c) |
| D. | d) |
| Answer» E. | |
| 3. |
Among the following compounds, what is the decreasing order of reactivity towards electrophilic substitution? |
| A. | III > I > II > IV |
| B. | IV > I > II > III |
| C. | II > III > II > IV |
| D. | I > III > II > IV |
| Answer» B. IV > I > II > III | |
| 4. |
Benzyl chloride is reacted with different nucleophiles (HO–, CH3COO–, PhO–, CH3O–). Arrange them in the decreasing order of reactivity with Benzyl chloride. |
| A. | CH3O– > HO– > PhO– > CH3COO– |
| B. | HO– > CH3O– > PhO– > CH3COO– |
| C. | HO– > PhO– > CH3O– > CH3COO– |
| D. | CH3COO– > CH3O– > HO– > PhO– |
| Answer» C. HO– > PhO– > CH3O– > CH3COO– | |
| 5. |
Which of the following statement is true about the reaction given below? |
| A. | It involves a carbocation intermediate |
| B. | The rearrangement is due to SN1 reaction mechanism |
| C. | It proceeds via a concerted SN2 pathway |
| D. | It proceeds via a concerted SN1 pathway |
| Answer» D. It proceeds via a concerted SN1 pathway | |
| 6. |
What will be the starting material (I) in the given reaction? |
| A. | a) |
| B. | b) |
| C. | c) |
| D. | d) |
| Answer» E. | |
| 7. |
Identify correct step representing SN1 mechanism for the cleavage of ether with HI. |
| A. | 1 and 3 |
| B. | 2 and 3 |
| C. | 1 and 4 |
| D. | 2 and 4 |
| Answer» C. 1 and 4 | |
| 8. |
Which of the following order is correct for the solvolysis in 50% aqueous ethanol at 44.6oC? |
| A. | a) |
| B. | b) |
| C. | c) |
| D. | d) |
| Answer» C. c) | |
| 9. |
What is the correct statement for the given reactions? |
| A. | B reacts faster than A |
| B. | Both give the same product |
| C. | A gives trans and B gives c is product |
| D. | A gives cis and B gives trans product |
| Answer» C. A gives trans and B gives c is product | |