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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Explain the following observation : Cu^+ ion is not known in aqueous s...
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- Explain the following observations : Although Co^(2+) ion appears to b...
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- Why E^(Theta) values for Mn, Ni and Zn are more negative than expected...
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- Write chemical reaction for preparation of K2Cr207 from chromite ore.
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- Give oxidation of KI by acidified K2Cr2O7 .
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- Write the iupac name of following : [Ni (H2O) 2 (NH3)4]SO4
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- What are lanthanoids ? Explain lanthanoid contraction.
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- Why transition elements show catalytic property? Give two examples of ...
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- How would you account for the following? The atomic radii of the metal...
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- Account for the following : The E^@ value for the Mn^(3+)|Mn^(2+) coup...
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- Why is the highest oxidation state of a metal exhibited in its oxide...
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- Explain the following observation : Cu^+ ion is not known in aqueous s...
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- Which of the following exhibits the greatest number of oxidation state...
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- Give an explanation for the following observation : With the same d-or...
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- How would you account for the following ? The actinoids exhibit a larg...
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- How would you account for the following ? Most of the transition metal...
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- Why enthalpy of atomisation of the transition elements are quite high ...
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- The 4d and 5d series of transition metals have more frequent metal-met...
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- Explain the following observation giving an appropriate reason : Mn^(2...
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- Complete the following chemical equation : Cr2O7^(2-) (aq)+ Fe^(2+) (a...
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