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MODERN PUBLICATION-D-AND F-BLOCK ELEMENTS-EXERCISE
- Describe the preparation of potassium permanganate. How does the acidi...
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- In the series Sc (Z=21) to Zn (Z=30), the enthalpy of atomisation of z...
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- The lowest oxidation state of transition metal is basic why is it Exp...
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- Explain briefly how +2 state becomes more and more stable in the first...
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- Explain, why Mn^(2+) compounds are more stable than Fe^(2+) towards ox...
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- The chemistry of the actinoid elements is not so smooth as that of the...
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- Assign reasons for the following: Phosphorus doped silicon is a sem...
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- Transition elements are:
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- Which of the d - block elements are not regarded as transition element...
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- Name the members of the lanthanoid series which exhibit + 4 oxidation ...
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- Why Fe^3+ is more stable than Fe^2+ ?
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- Indicate the steps in the preparation of K2Cr2O7 from chromite ore.
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- Write steps involved in the preparation of KMnO(4).
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- BiCl(3), is more stable than BiCl(5) Why?
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- The transition element with least atomic number is:
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- Transition metals in their compounds show:
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- Pb shows oxidation state of
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- Which of the two have almost similar size :
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- Why Zn^2+ salts are white while Ni^2+ and Cu^2+ salts are coloured ?
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- Complete the following chemical equations : XeF(2)+PF(5)to
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