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What are coinage metals ? Give example ....

What are coinage metals ? Give example .

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Transition metals present in group 11 (Cu, Ag, Au) are known as coinage metals since they are used in making coins as well as jewellery.
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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-Question From Board Examination
  1. (a) How would you account for the following : (i) Actinoids contract...

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  2. (i) Account for the fact that Eu^(2+) is a strong reducing agent. (...

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  3. {:(E(M^(2+)//M)^(@),Cr,Mn, Fe, Co, Ni, Cu),(,-0.91,-1.18,-0.44,-0.28,-...

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  4. When chromite ore FeCr(2)O(4) is fuse with NaOH in presence of air, a ...

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  5. Complete the following chemical equations : (i) 8MnO(4)^(-)+3S(2)O(3...

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  6. Give reason for the following : (i) Mn shows the highest oxidation s...

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  7. (a) Account for the following : (i) Mn(2)O(7) is acidic whereas MnO ...

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  8. The element of 3d transition series are given as : Sc Ti V Cr Mn Fe ...

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  9. Explain the following : (i) Most of the transition elements show var...

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  10. (i) Write the electronic configuration of Cu^(+) and Cu^(2+) ions (Z=2...

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  11. (i) What are intersitial compounds ? Give their general characteristic...

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  12. (i) What are transition elements ? (ii) Why do transition elements s...

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  13. How will you obtain pure potassiu permanganate (KMnO(4)) crystals from...

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  14. Give balance chemical equation for the following : (i) Silverf nitra...

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  15. Identify the following : (i) Oxoanion of chromium which is stable in...

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  16. The magnetic moments of few transition metal ions are given below : ...

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  17. How is the variability in oxidation state of transition metals differ...

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  18. What are coinage metals ? Give example .

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  19. How would you account for the irregular of ionisation enthalpies (firs...

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  20. The element cerium forms Ce^(4+) ion in aqueous solution. Explain.

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