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"In a given series of the transition ele...

"In a given series of the transition elements the atomic size increases but this variation in size is very small". Explain.

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R G PUBLICATION-THE d-AND f-BLOCK ELEMENTS-EXERCISE
  1. Write three general chracteristics of transition elements.

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  2. Discuss about the melting point of transition elements.

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  3. "In a given series of the transition elements the atomic size increase...

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  4. Account for the folloiwng: The enthalpy of atomization is lowest for Z...

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  5. What is meant by 'Exchange energy'? How this energy affect the ionisat...

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  6. Compare the stability of +2 oxidation state for the elements of first ...

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  7. Write four factors which affect the relative stability of various oxid...

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  8. Why E^@ values for Mn and Ni are negative?

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  9. For M^(2+)/M and M^(3+)/M^(2+) systems the E^@ values for some metals ...

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  10. Why is the highest oxidation state of a metal exhibited in its oxide o...

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  11. Explain the following facts:transition elements form coloured compound...

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  12. Explain the following facts: Transition elements and their compounds s...

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  13. Explain the following facts: transition elements form complex compound...

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  14. Explain the following facts: Transition metals form alloy

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  15. Explain the following facts: Transition elements form interstitial com...

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  16. How K2Cr2O7 is prepared? Write the necessary reactions involved.

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  17. What happens when potassium dichromate reacts with H2S and KI in acidi...

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  18. Indicate the steps in the preparation of KMnO4.

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  19. Write the cause of lenthanide contraction.

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  20. Actinoid contraction is greater from element to element than lanthanoi...

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