MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Due to presence of C X polar bond in alkyl halide, alkyl halides are ____________ |
| A. | More reactive than corresponding alkane |
| B. | Less reactive than corresponding alkane |
| C. | Equally reactive as corresponding alkane |
| D. | None of the mentioned |
| Answer» B. Less reactive than corresponding alkane | |
| 2. |
Relative basic strength of amines does not depend upon ____________ |
| A. | Inductive effect |
| B. | Mesomeric effect |
| C. | Steric effect |
| D. | Stabilisation of cation by hydration |
| Answer» C. Steric effect | |
| 3. |
Arrange the following groups in the order of decreasing (-I) effect. |
| A. | CN > F > Br > Cl > COOH > I > H |
| B. | COOH > CN > F > Br > Cl > I > H |
| C. | H > COOH > CN > I > Cl > F > Cl |
| D. | CN > COOH > F > Cl > Br > I > H |
| Answer» E. | |
| 4. |
The electronegativity of sp2 hybridised atom will be ____________ |
| A. | 3.29 |
| B. | 2.48 |
| C. | 3.69 |
| D. | 2.75 |
| Answer» E. | |
| 5. |
How does the electronegativiy get affected with the negative oxidation state? |
| A. | It decreases |
| B. | It increases |
| C. | It remains constant |
| D. | None of the mentioned |
| Answer» B. It increases | |
| 6. |
The factors on which electronegativity depends upon ____________ |
| A. | Valence state of atom |
| B. | Hybridisation |
| C. | Both valence state and hybridisation |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
Electronegativity is defined as the power of an atom in a molecule to _____________ |
| A. | Repel electrons towards itself |
| B. | Attract electrons towards itself |
| C. | Expand itself |
| D. | All of the mentioned |
| Answer» C. Expand itself | |