| 1 |
Which of the following molecule has zero dipole moment. |
- A. NH3
- B. CHCl3
- C. H2O
- D. BF3
|
| 2 |
Which of the following is true for ionic compounds |
- A. They are non-electrolytes in the molten state
- B. They have bonds which are directional
- C. They conduct electricity in solid state
- D. They are generally more soluble in polar solvents than in non-polar solvents
|
| 3 |
In a group of periodic table, ionization energy. |
- A. Decreases
- B. Increases
- C. Remains same
- D. First increases than increases
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| 4 |
The shape of H<sub>3</sub>O is |
- A. Tetrahedral
- B. Angular
- C. Trigonal planer
- D. Pyramidaj
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| 5 |
Which one of the following correctly describe the shape of NH3 molecules. |
- A. tetrahedral
- B. Pyramidal
- C. Angular
- D. Square planar
|
| 6 |
In methanol, bond between carbon and oxygen. |
- A. Ionic
- B. Non polar
- C. Polar
- D. Co - ordinate
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| 7 |
Which of the following species has unpaired electrons in anti bonding molecular orbitals |
|
| 8 |
Which of the following has bond angle of 120 <sup>o</sup> |
- A. BeCl2
- B. BF3
- C. CH4
- D. NH3
|
| 9 |
The carbon atom is C2H4 is. |
- A. sp3 hybridized
- B. sG2 hybridized
- C. Sp hybridized
- D. dsG2 bybridized
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| 10 |
______ Molecule has zero dipole moment. |
- A. CO
- B. H2S
- C. SO2
- D. CH4
|