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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Express 2120 in roman numbers.
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- Out of Cu^(2+) and Cu^(+) ion, which one is colourless and why?
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- What is lanthanoid contraction? Explain Any two consequences of lantha...
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- The ionisation energies of 6d elements are Greater than 3d elements. G...
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- Express 2121 in roman numbers.
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- Express 1202 in roman numbers.
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- Express 2123 in roman numbers.
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- Express 2125 in roman numbers.
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- Explain why [Ti (H2O)6]^(3+) is violet while [Ti (H2O)6]^(4+) is colou...
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- Transition metals form alloys with other transition metals. Explain.
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- What are the main consequences of lanthanoid contraction ?
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- What happens when K2Cr2O7 reacts with NaCl in the presence of conc. H2...
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- What happens when Acidified KMnO4 reacts with H2S ?
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- Explain why TiCl3 is coloured but TiCl4 is colourless ?
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- Why transition metals show catalytic properties?
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- Why do lanthanoids have very similar chemical reactivity?
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- Why are Mn^(2+) compounds more stable than Fe^(2+) towards oxidation t...
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- Why transition elements form a large number of alloys ?
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- Express 2126 in roman numbers.
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- What are the main consequences of lanthanoid contraction ?
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