MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following doesn t follow octet rule? |
| A. | CH<sub>4</sub> |
| B. | CCl<sub>4</sub> |
| C. | HCl |
| D. | NO<sub>2</sub> |
| Answer» E. | |
| 2. |
Calculate the formal charge of C in CH4. |
| A. | 4 |
| B. | 1 |
| C. | -4 |
| D. | 0 |
| Answer» E. | |
| 3. |
Which of the following molecule doesn t involve covalent bond? |
| A. | H<sub>2</sub>O |
| B. | CCl<sub>4</sub> |
| C. | NaCl |
| D. | O<sub>2</sub> |
| Answer» D. O<sub>2</sub> | |
| 4. |
In the covalent bond, atoms share electrons to achieve octet configuration. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Sharing or transfer of electrons from one atom to the other to attain stable octet configuration follows _______ |
| A. | Duet rule |
| B. | Triplet rule |
| C. | Octet rule |
| D. | Septet rule |
| Answer» D. Septet rule | |
| 6. |
Highly electropositive Alkali metals are separated from highly electronegative halogens by _________ |
| A. | noble gases |
| B. | oxygen family |
| C. | f-block elements |
| D. | 7<sup>th</sup> period |
| Answer» B. oxygen family | |
| 7. |
What s the group valance of atoms in the halogen family? |
| A. | 2 |
| B. | 1 |
| C. | 9 |
| D. | 7 |
| Answer» C. 9 | |
| 8. |
Find out the correct Lewis symbol for the atom carbon among the following options. |
| A. | .C: |
| B. | :C. |
| C. | :C: |
| D. | .C. |
| Answer» D. .C. | |
| 9. |
Atoms obtain octet configuration when linked with other atoms. This is said by _________ |
| A. | Lewis |
| B. | Kossel |
| C. | Langmuir |
| D. | Sidgwick |
| Answer» B. Kossel | |