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Molybdenum is used as a target element f...

Molybdenum is used as a target element for production of `X` - rays because it is

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Molybdenum is used because it is a heavy element. When cathode rays hit this element , X-rays are produced.
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PRADEEP-D- AND F-BLOCK ELEMENTS-IMPORTANT QUESTIONS
  1. Molybdenum is used as a target element for production of X - rays beca...

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  2. Silver atom has completely filled d orbitals (4d^(10)) in its ground s...

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  3. Explain why transition elements have many irregularties in their elect...

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  4. Chromium is a typical hard metal while mercury is a liquid.

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  5. Calculate the magnetic moment of a divalent ion in aqueous solution if...

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  6. (a) Why do transition elements show variable oxidation states ? (b) ...

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  7. Name a trasition element wihich does not exhibit variable oxidation st...

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  8. Why is Cr^(2+) reducing and Mn^(3+) oxidising when both have d^(4) con...

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  9. The E^(0)(M^(2+)//M) value for copper is positive (+0.34V). What is po...

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  10. Explain giving reason: (a) Transition metals and many of their compo...

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  11. Why is +2 oxidation state of manganese quite stable while the same is ...

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  12. Which is a stronger reducing agent Cr^(2+) or Fe^(2+) and why ?

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  13. Predict which of the following will be coloured in aqueous solution ?...

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  14. How will you account for the following : (i) Cobalt (II) is stable i...

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  15. Which of the two is paramagnetic : V (IV) or V (V) and why ?

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  16. Copper (I) compounds are white and diamagnetic while copper(II) compou...

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  17. Which divalent metal ion has maximum paramagnetic character among the ...

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  18. Transition elements have greater tendency to form complexes because

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  19. In the titratin of Fe^(2+) ions with KMnO(4) in acidic medium, why dil...

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  20. What is meant by 'disproportionation'? Give two examples of disproport...

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  21. Describe the preparation of potassium permanganate. How does the acidi...

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