| 1 |
Which of the following has coordinate covalent bond. |
- A. NH4
- B. NaCl
- C. HCl
- D. AlCl3
|
| 2 |
Ionic bond is formed by combination of groups |
- A. IA and VIII
- B. II A and VII A
- C. IV A and VA
- D. VIA and VII A
|
| 3 |
In BeCl2, the covalent bond is formed due to overlap of |
- A. sp -s
- B. sp -p
- C. sp2 -p
- D. sp3 -p
|
| 4 |
The molecular shape of SO3 is. |
- A. Triangular planar
- B. Tetrahedral
- C. Pyramidal
- D. Linear
|
| 5 |
The shape of Sncl2 molecule is. |
- A. Linear
- B. Angular
- C. Trigonal planar
- D. Tetrahedral
|
| 6 |
The nature of bond in diamond is |
- A. Electrovalent
- B. Metallic
- C. Coordinate covalent
- D. Covalent
|
| 7 |
Molecule in which the distance between two carbon atoms in the largest is. |
- A. C2H6
- B. C2H4
- C. C2H2
- D. C6H6
|
| 8 |
Which compound does not obey the octet rule. |
- A. NH3
- B. BCl3
- C. H2O
- D. CH4
|
| 9 |
Which of the following statements is not correct regarding bonding molecular orbitals |
- A. Bonding molecular orbitals possess less energy than atomic orbitals from which they are formed
- B. Bonding molecular orbitals have low electron density between the two nuclei
- C. Every electron in the bonding molecular orbitals contributes to the attraction between atoms
- D. Bonding molecular orbitals are formed when the electron waves undergo constructive interference
|
| 10 |
Which one of the following has the greater ionic characters in it. |
- A. HF
- B. HCl
- C. H2O
- D. H2
|