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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Why is equropium (II) more stable than cerium (II) (Eu = 63, Ce =58) g...
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- Which ion has maximum size in Lanthanoid series ?
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- Write the general electronic configuration of lanthanoids.
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- Why does Mn(II) shows maximum paramagnetic character among the dival...
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- How would you account for the irregular variation of ionisation enthal...
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- Write chemical reaction for preparation of K2Cr207 from chromite ore.
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- What is meant by ‘disproportionation’? Give two examples of disproport...
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- Compare the chemistry of actinides with that of Lanthanides with speci...
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- Compare the chemistry of actinides with that of Lanthanides with speci...
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- The 4d and 5d series of transition metals have more frequent metal-met...
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- What are the main consequences of lanthanoid contraction ?
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- Complete the following reaction equation : MnO4^(-) + Fe^(2+) + H^(+) ...
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- Complete the following reaction equation : MnO4^(-) + I^(-) + H2O rarr
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- Complete the following reaction equation : S2O3^(2-)+ Cr2O7^(2-)+ H^(...
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- How would you account for the following : The transition elements exhi...
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- How would you account for the following : Of the d^4 species, Cr^(2+) ...
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- How would you account for the following: Cobalt(II) is stable in aqueo...
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- Why is equropium (II) more stable than cerium (II) (Eu = 63, Ce =58) g...
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- Why Zr and Hf exhibit similar properties ?
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- Explain the following : Scandium forms no coloured ions, yet it is reg...
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