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Q. No.The decreasing order of ionic character of the N-H, F-H, C-H, and O-H, is :
| 1. | N-H > F-H > C-H > O-H |
| 2. | F-H > N-H > C-H > O-H |
| 3. | O-H > C-H > F-H > N-H |
| 4. | F-H > O-H > N-H > C-H |
Which of the following factors are favourable for the formation of an ionic bond?
| 1. | Low ionization enthalpy, High negative electron gain enthalpy, High lattice energy. |
| 2. | High ionization enthalpy, High electron gain enthalpy, High lattice energy. |
| 3. | Low ionization enthalpy, Low electron gain enthalpy, Low lattice energy. |
| 4. | High ionization enthalpy, Low electron gain enthalpy, High lattice energy. |
The correct increasing order of ionic character of the following molecules is:
LiF, K2O, N2, SO2, ClF3
1. \(\mathrm{LiF}>\mathrm{K}_2 \mathrm{O}>\mathrm{ClF}_3>\mathrm{SO}_2>\mathrm{N}_2\)
2. \(\mathrm{N}_2>\mathrm{SO}_2>\mathrm{ClF}_3>\mathrm{K}_2 \mathrm{O}<\mathrm{LiF}\)
3. \(\mathrm{N}_2>\mathrm{SO}_2>\mathrm{K}_2 \mathrm{O}>\mathrm{ClF}_3>\mathrm{LiF}\)
4. \(\mathrm{LiF}>\mathrm{K}_2 \mathrm{O}<\mathrm{ClF}_3>\mathrm{SO}_2>\mathrm{N}_2\)
Which of the following pair of elements can form an ionic compound?
| 1. | \(\mathrm{Na}\) and \(\mathrm{Ca}\) | 2. | \(\mathrm{K}\) and \(O_2\) |
| 3. | \(O_2\) and \(Cl_2\) | 4. | \(Al\) and \(I_2\) |
A compound with maximum ionic character is formed from which of the following pairs?
| 1. | Na and I | 2. | Cs and F |
| 3. | Cs and I | 4. | Na and F |
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