Q. No.
| 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
1. Cl2 > Br2 > F2 > l2
2. Br2 > l2 > F2 > Cl2
3. F2 > Cl2 > Br2 > l2
4. l2 > Br2 > Cl2 > F2
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Which of the statements given below is incorrect?
1. is an anhydride of perchloric acid
2. molecule is bent
3. ONF is isoelectronic with
4. is an oxide of fluorine
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2. Is a reducing agent
3. Is soluble in water
4. Is used as a food-preservative
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Roasting of sulphides gives the gas 'X' as a by-product. This is a colourless gas with the choking smell of burnt sulphur and causes great damage to respiratory organs as a result of acid rain. Its aqueous solution is acidic, acts as an oxidising agent, and its acid has never been isolated. The gas 'X' is:
1. SO2
2. CO2
3. SO3
4. H2S
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