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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Write lewis dot symbol for following elements :helium
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- Complete the reaction :
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- Draw lewis structure of SOCl2
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- In the following questions a statement of assertion followed by a stat...
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- Assertion : Separation of Zr and Hf is difficult. Reason : Because Zr ...
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- Assertion : Actinoids form relatively less stable complexes as compare...
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- Assertion : Cu cannot liberate hydrogen from acids. Reason : Because i...
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- Assertion : The highest oxidation state of osmium is +8. Reason : Osmi...
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- Explain the following observation : Cu^+ ion is not known in aqueous s...
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- 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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- Draw lewis structure of SCl2
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- What are the main consequences of lanthanoid contraction ?
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