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R G PUBLICATION-THE d-AND f-BLOCK ELEMENTS-EXERCISE
- Explain the folloiwng phenomenon: Transition metals are much harder th...
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- Actinoid contraction is greater from element to element than lanthanoi...
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- How will you prepare: K2MnO4 from MnO2?
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- How will you prepare: Na2Cr2O7 from Na2CrO4?
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- Account for the folloiwng: Mn^(2+) is more stable than Fe^(2+) towards...
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- Account for the folloiwng: The enthalpy of atomization is lowest for Z...
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- Account for the folloiwng: Actinoid elements show wide range of oxidat...
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- Explain the folloiwng facts: Among lanthanoids Ln(III)compound are pre...
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- The E(M^(2+)//M)^(Theta) for copper positive (+0.34V)It is only metal ...
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- Explain the folloiwng facts: The metallic radii of the 3rd (5d) series...
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- Explain briefly how +2 state becomes more and more stable in the first...
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- Write three general chracteristics of transition elements.
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- Discuss about the melting point of transition elements.
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- "In a given series of the transition elements the atomic size increase...
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- Account for the folloiwng: The enthalpy of atomization is lowest for Z...
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- What is meant by 'Exchange energy'? How this energy affect the ionisat...
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- Compare the stability of +2 oxidation state for the elements of first ...
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- Write four factors which affect the relative stability of various oxid...
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- Why E^@ values for Mn and Ni are negative?
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- For M^(2+)/M and M^(3+)/M^(2+) systems the E^@ values for some metals ...
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