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Why do the transition metals componds a...

Why do the transition metals componds are coloured ?

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Because they have high ionisation enthalpy, high heats of sublimation and low heats of hydration.
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ACCURATE PUBLICATION-D & F BLOCK ELEMENTS -1 OR 2 MARK QUESTIONS
  1. What is general electronic cnfiguration difference between transition...

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  2. Which of the following are d-block elements but not regarded as transi...

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  3. Why do the transition metals componds are coloured ?

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  4. State the chemical symbols for the following elements : sodium , potas...

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  5. Name any three coinage metals ? Are these transition metals ?

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  6. Which of the following is not a d-block element?

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  7. Zn and Cd are not normally considered as transition metals. Why ?

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  8. Why do transition elements show similarities along the horizontal peri...

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  9. Name a transition element which does not exhibit variable oxidation st...

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  10. Write the highest oxidation state of elements with atomic number 23 ?

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  11. Which electrons loose an iron atom in forming Fe (II) ions ?

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  12. What is the maximum oxidation state shown by Manganese in its compound...

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  13. What is the oxidation state of Cr in K2Cr2O7?

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  14. Why +3 oxidation state of Fe (Z = 26) is more stable than its +2 oxida...

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  15. How many are the number of unpaired electron in ferrous ion ?

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  16. What is the cause of Paramagnetism of compounds of transition elements...

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  17. Name two alloys of copper?

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  18. Why does Vanadium Pentaoxide act as a catalyst?

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  19. Name the catalyst of Vanadium used for oxidation of SO2 to SO3 in cont...

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  20. Why Cr is used for electroplating iron ?

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