MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A __________ overlap doesn’t result in the formation of a bond. |
| A. | positive |
| B. | negative |
| C. | zero |
| D. | rational |
| Answer» D. rational | |
| 2. |
What is the electronic configuration of carbon in it’s excited state? |
| A. | 1s22s22p4 |
| B. | 1s22s22p3 |
| C. | 1s22s22p5 |
| D. | 1s22s12p4 |
| Answer» C. 1s22s22p5 | |
| 3. |
The strength of covalent ___________ extent of overlapping of orbitals. |
| A. | may be or may not be related |
| B. | is independent on |
| C. | is dependent on |
| D. | is not related to |
| Answer» D. is not related to | |
| 4. |
The bond enthalpy of ___________ molecule is 435.8 kJ mol-1. |
| A. | Hydrogen |
| B. | Oxygen |
| C. | Nitrogen |
| D. | Helium |
| Answer» B. Oxygen | |