MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the total number of bonds between two atoms is 3 the total number of resonating structures is 2 what is the bond order? |
| A. | 0.5 |
| B. | 1.5 |
| C. | 2.5 |
| D. | 3.5 |
| Answer» C. 2.5 | |
| 2. |
What is obtained by thermolysis of azides? |
| A. | free radicals |
| B. | carbocation |
| C. | arene |
| D. | nitrene |
| Answer» E. | |
| 3. |
Resonating structures are also known as ______________ forms. |
| A. | canonical |
| B. | inductor |
| C. | electromeric |
| D. | nucleophilic |
| Answer» B. inductor | |
| 4. |
Baker Nathan effect is related to ______________ |
| A. | inductive effect |
| B. | electromeric effect |
| C. | hyperconjugation |
| D. | resonance |
| Answer» D. resonance | |
| 5. |
In a molecule, when displacement of electron pair is away from the group it is ______________ electromeric effect. |
| A. | zero |
| B. | negative |
| C. | positive |
| D. | no |
| Answer» D. no | |
| 6. |
Which of the following is false regarding inductive effect? |
| A. | temporary effect |
| B. | propagates through a carbon chain |
| C. | permanent effect |
| D. | groups having high electron affinity than hydrogen show the negative inductive effect |
| Answer» B. propagates through a carbon chain | |
| 7. |
What is the hybridization of singlet carbene? |
| A. | sp |
| B. | sp<sup>3</sup> |
| C. | sp<sup>3</sup>d |
| D. | sp<sup>2</sup> |
| Answer» E. | |
| 8. |
Carbocations bear a ______________ charge. |
| A. | no |
| B. | negative |
| C. | positive |
| D. | 0 |
| Answer» D. 0 | |
| 9. |
Nucleophilic reagents behave as ______________ |
| A. | water |
| B. | lewis base |
| C. | lewis acid |
| D. | salt |
| Answer» C. lewis acid | |
| 10. |
Free radicals are formed during homolytic fission. |
| A. | true |
| B. | false |
| Answer» B. false | |