| 1 |
Dipole moment of CO2 is. |
- A. 1.25 D
- B. 1.85 D
- C. 3.1 D
- D. Zero
|
| 2 |
Forces of attraction between He atoms are. |
- A. Hydrogen bonding
- B. London forces
- C. Debye forces
- D. Ion dipole forces
|
| 3 |
A molecular orbital can accommodate maximum electron |
|
| 4 |
The structure of water molecule is. |
- A. angular
- B. Linear
- C. Trigonal
- D. Trigonal pyramidal
|
| 5 |
Which one of the following molecule have angle of 120 <sup>o</sup> |
- A. Be Cl2
- B. BF3
- C. CH4
- D. NH3
|
| 6 |
Which pair are iso electronic. |
- A. Na+ and Cl-
- B. Na+ and Mg+2
- C. N-3 and P-3
- D. H+ and H-
|
| 7 |
______ Molecule has zero dipole moment. |
- A. CO
- B. H2S
- C. SO2
- D. CH4
|
| 8 |
The nature of bond in diamond is |
- A. Electrovalent
- B. Metallic
- C. Coordinate covalent
- D. Covalent
|
| 9 |
Which of the following molecule obey octet rule. |
- A. BF3
- B. BCl3
- C. NH2
- D. SF6
|
| 10 |
Which of the following molecules has a co-ordinate covalent bond |
- A. NH<sub>4</sub>CI
- B. NaCI
- C. HCI
- D. AICI<sub>3</sub>
|