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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Express 2132 in roman numbers.
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- Express 2133 in roman numbers.
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- Express 2135 in roman numbers.
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- Why transition element show coloured Ions ? Explain.
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- Out of Cu^+ and V^+2 which will be coloured and why ? (Atomic number O...
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- Why +3 oxidation state of Fe (Z = 26) is more stable than its +2 oxida...
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- Is Au (Z = 79) a transition metal or not ? Explain.
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- Transition metals formlarge number of complex compounds.Explain.
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- Express 2137 in roman numbers.
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- Why the actinoids exhibit a large number of oxidation states than the ...
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- Transition elements and their compounds are found to be good catalysts...
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- Complete the following chemical equation : Cr2O7^(2-) (aq)+ H2S (g)+ H...
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- Complete the following chemical equation : Cu^(2+) (aq) + I^(-) (aq) ...
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- How would you account for the following ? The oxidising power of oxoan...
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- How would you account for the following ? The third ionization enthalp...
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- How would you account for the following ? Cr^(2+) is stronger reducing...
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- Complete the following chemical equation : MnO4^(-)(aq) + S2O3^(2-)(aq...
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- Complete the following chemical equation : Cr2O7^(2-) (aq)+ Fe^(2+) (a...
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- Explain the following observation : La^(3+) (Z =57) and Lu^(3+) (Z = 7...
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- Explain the following observation : Among the divalent cations in the ...
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