| 1 |
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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| 2 |
What type of bonding is present in NH4Cl |
- A. Ionic
- B. Covalent
- C. Co ordinate covalent
- D. All of these
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| 3 |
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
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| 4 |
Which statement is true about Na and Na+ |
- A. size of Na is greater than Na+
- B. Size of Na is smaller than Na+
- C. Both have equal size
- D. Both have same properties
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| 5 |
The percentage of s characters in sp3 hybrid orbital is. |
- A. 25%
- B. 33.3%
- C. 50%
- D. 75%
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| 6 |
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>
|
| 7 |
The bond order of N2 molecule is. |
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| 8 |
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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| 9 |
What is bond order. |
- A. Number of unpaired electrons
- B. Number of paired electrons
- C. Number of electrons present in antibonding molecular orbital
- D. Number of bond formed between two atoms after overlap
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| 10 |
Which one of the following has the greater ionic characters in it. |
- A. HF
- B. HCl
- C. H2O
- D. H2
|