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PRADEEP-D- AND F-BLOCK ELEMENTS-IMPORTANT QUESTIONS
- Which is a stronger reducing agent Cr^(2+) or Fe^(2+) and why ?
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- Predict which of the following will be coloured in aqueous solution ?...
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- How will you account for the following : (i) Cobalt (II) is stable i...
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- Which of the two is paramagnetic : V (IV) or V (V) and why ?
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- Copper (I) compounds are white and diamagnetic while copper(II) compou...
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- Which divalent metal ion has maximum paramagnetic character among the ...
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- Transition elements have greater tendency to form complexes because
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- In the titratin of Fe^(2+) ions with KMnO(4) in acidic medium, why dil...
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- What is meant by 'disproportionation'? Give two examples of disproport...
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- Describe the preparation of potassium permanganate. How does the acidi...
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- Describe the preparation of potassium dichromate from iron chromite or...
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- Describe the oxidising action of potassium dichromate and write the io...
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- When a white crystalline compound X is heated with K(2)Cr(2)O(7) and c...
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- The +3 oxidation states of langthanum ( Z= 57), gadolinium (Z= 64) and...
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- Why Sm^(2+), Eu^(2+) and Yb^(2+) ions in solutions are good reducing a...
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- What is lanthanoid contraction? What are the consequences of lanthanol...
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- What are aloloyys ? Name an important alloy which contains some of th...
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- Actinoid contraction is greater from element to element than lanthanoi...
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- Comparethe chemistry of actinoids with that of lanthanoids with specia...
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- Name the elements of 3d series. Give their electronic configuration. E...
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