| 1 |
Those elements whose electronegativities are 1.2 and 3.2, react to form |
- A. Ionic bond
- B. Covalent bond
- C. Gaseous substance
- D. Definiting a liquid substance
|
| 2 |
The tendency of an tom to attract shared pair of electron towards itself is called its. |
- A. Ionization energy
- B. Electronegativity
- C. Electron affinity
- D. dipole moment
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| 3 |
Suppose a new element 'J' has discovered and has seven electron in the valence shell. Which statement about this element would be correct. |
- A. It is monatomic
- B. It form covalent bond with hydrogen
- C. It forms stable positive ion
- D. It forms covalent bond with group IA element
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| 4 |
The number of bonds in nitrogen molecules is. |
- A. One pi and one sigma
- B. One pi and two sigma
- C. Thre sigma only
- D. Two pi and one sigma
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| 5 |
Which molecule has sG2 hybridization. |
- A. CH4
- B. C2H4
- C. C2H2
- D. C2H5
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| 6 |
______ Molecule has zero dipole moment. |
- A. CO
- B. H2S
- C. SO2
- D. CH4
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| 7 |
Which of the following molecules have highest bond energy |
- A. F2
- B. Cl2
- C. Br2
- D. I2
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| 8 |
The molecule having zero dipole moment is. |
- A. NH3
- B. CHCl3
- C. H2O
- D. BF3
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| 9 |
Which one of the following has the greater ionic characters in it. |
- A. HF
- B. HCl
- C. H2O
- D. H2
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| 10 |
Which of the following has highest percentage ionic character. |
- A. HCl
- B. HF
- C. HBr
- D. HI
|