Q. No.Which of the following structure is most expected for the molecule XeOF4 ?
1. Tetrahedral
2. Square pyramid
3. Square planar
4. Octahedral
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Incorrect order among the following is:
| 1. | F2 > Cl2 > Br2 > I2 | Oxidising power |
| 2. | F < Cl > Br > I | Electron gain enthalpy |
| 3. | F2 > Cl2 > Br2 > I2 | Bond dissociation energy |
| 4. | F> Cl > Br > I | Electronegativity |
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| Column I | Column II | ||
| (a) | XX’ | (i) | T-shape |
| (b) | XX’3 | (ii) | Pentagonal bipyramidal |
| (c) | XX’5 | (iii) | Linear |
| (d) | XX’7 | (iv) | Square Pyramidal |
| (v) | Tetrahedral | ||
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (v) | (iv) | (iii) | (ii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iii) | (iv) | (i) | (ii) |
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Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reaction does not show - oxidising behaviour?
1.
2.
3.
4.
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2. All are oxidizing agents.
3. All but fluorine show positive oxidation states.
4. Chlorine has the highest electron-gain enthalpy.
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2. Phosphinic acid is a diprotic acid while phosphonic acid is a monoprotic acid
3. Both are triprotic acids
4. Both are diprotic acids
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