MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
During the formation of a chemical bond [Karnataka CET 2007] |
| A. | energy decreases |
| B. | energy increases |
| C. | energy of the system does not change |
| D. | electron-electron repulsion becomes more than the nucleus-electron attraction |
| Answer» B. energy increases | |
| 2. |
The maximum number of hydrogen bonds that a molecule of water can have is [Karnataka CET 2008] |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 3. |
Malleability and ductility of metals can be accounted due to [Karnataka CET 2008] |
| A. | the presence of electrostatic force |
| B. | the crystalline structure in metal |
| C. | the capacity of layers of metal ions to slide over the other |
| D. | the interaction of electrons with metal ions in the lattice |
| Answer» D. the interaction of electrons with metal ions in the lattice | |
| 4. |
Which of the following has maximum number of lone pairs associated with Xe? [AIEEE 2011] |
| A. | XeF2 |
| B. | XeO3 |
| C. | XeF4 |
| D. | XeF6 |
| Answer» B. XeO3 | |
| 5. |
The structure of IF7 is [AIEEE 2011] |
| A. | Pentagonal bipyramid |
| B. | Square pyramid |
| C. | Trigonal bipyramid |
| D. | Octahedral |
| Answer» B. Square pyramid | |
| 6. |
The number of types of bonds between two carbon atoms in calcium carbide is [AIEEE 2011] |
| A. | Two sigma, two pi |
| B. | One sigma, two pi |
| C. | One sigma, one pi |
| D. | Two sigma, one pi |
| Answer» C. One sigma, one pi | |
| 7. |
The hybridization of orbitals of N atom in NO3–, NO2+ and NH4+ are respectively[AIEEE 2011] |
| A. | sp2, sp3, sp |
| B. | sp, sp2, sp3 |
| C. | sp2, sp, sp3 |
| D. | sp, sp3, sp2 |
| Answer» D. sp, sp3, sp2 | |
| 8. |
Among the following the maximum covalent character is shown by the compound [AIEEE 2011] |
| A. | MgCl2 |
| B. | FeCl2 |
| C. | SnCl2 |
| D. | AlCl3 |
| Answer» E. | |
| 9. |
Which one of the following is paramagnetic? [West Bengal JEE 2011] |
| A. | N2 |
| B. | NO |
| C. | CO |
| D. | O3 |
| Answer» C. CO | |
| 10. |
The sp3d2 hybridization of central atom of a molecule would lead to [West BengalJEE 2011] |
| A. | square planar geometry |
| B. | Tetrahedral geometry |
| C. | Trigonal bipyramidal geometry |
| D. | Octahedral geometry |
| Answer» E. | |
| 11. |
In allene (C3H4), the type(s) of hybridisation of the carbon atoms is (are) [IIT JEE 2012] |
| A. | sp and sp3 |
| B. | sp and sp3 |
| C. | Only sp2 |
| D. | sp2 and sp3 |
| Answer» C. Only sp2 | |
| 12. |
Bond energy and the corresponding bond length vary directly with each other. comment whether the statement is true or false. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
An atom differs from its ion in which among the following ? |
| A. | Mass number |
| B. | Atomic number |
| C. | Neutrons |
| D. | Number of protons |
| Answer» E. | |
| 14. |
Atoms undergo bonding in order to ? |
| A. | Attain stability |
| B. | Lose stability |
| C. | Move freely |
| D. | increase energy |
| Answer» B. Lose stability | |
| 15. |
If a bond is made up of a large number of organic compound, then the bond is termed as? |
| A. | Ionic bond |
| B. | Metallic bond |
| C. | Covalent bond |
| D. | Dipolar bond |
| Answer» D. Dipolar bond | |
| 16. |
State whether the given statement is true or false “Ionic bonds are non-directional” |
| A. | True |
| B. | False |
| Answer» B. False | |
| 17. |
Which among the following is not a property of Ionic bond? |
| A. | Losing of electrons |
| B. | Gain of electrons |
| C. | Gain of electrons |
| D. | Transfer of electrons |
| Answer» D. Transfer of electrons | |
| 18. |
Which among the following chemical bond were described by Kossel and Lewis? |
| A. | Metallic bond |
| B. | Polar covalent bond |
| C. | Coordinate bond |
| D. | Ionic and Covalent bond |
| Answer» E. | |