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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Explain, giving reasons, which one of the following pairs exhibits the...
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- Give one method of Preparation of K2Cr2O7 from sodium chromate.
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- Why is Cu considered to be a transition element and Zn not ?
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- Explain the following observation : Cu^+ ion is not known in aqueous s...
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- State what happens when a solid mixture of KCl and K2Cr2O7 is heated w...
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- Name the element showing maximum number of oxidation states among the ...
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- Explain the following observation giving an appropriate reason : Mn^(2...
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- Write the name of metal which shows only +3 oxidation state.
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- What is lanthanoid contraction ?
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- Give the general electronic configuration of d-block elements.
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- Out of Fe^(2+) and Fe^(3+) which is more paramagnetic and why ?
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- What is Actinoid contraction ? Explain it.
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- What arecoinage metals ?
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- What are transition elements ? Which of the d block elements are not r...
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- Most of transition metals show variable oxidation states. Explain
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- Give the cause of Lanthanide Contraction.
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- What is Misch metal ?
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- What is Lanthanide contraction ? What is the cause and consequences of...
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- La(OH)3 is more basic than Lu(OH)3. Explain.
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- Answer the following: Aqueous solution of Ti^(4+) is colourless, but a...
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