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Write any two uses of pyrophoric alloys....

Write any two uses of pyrophoric alloys.

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Like mischmetal, pyrophoric alloys emit sparks when struck. Hence, they are used in making flints for lighters.
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CENGAGE CHEMISTRY-APPENDIX INORGANIC VOLUME 2-Short Answer Type
  1. The size of the trivalent cations in the lantlianide series decreases ...

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  2. Give the general electronic configuration of actinides.

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  3. Write any two uses of pyrophoric alloys.

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  4. What is the maximum oxidation state shown by actinides?

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  5. Name one ore each of manganese and chromium.

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  6. In the transition series with an increase in atomic number, the atomic...

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  7. What is the effect of increasing pH on K2Cr2O7 solution?

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  8. What is the basic difference between the electronic configuration of t...

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

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  10. Out of Al,Zn,Mg and Fe, which is the densest element?

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  11. Why do transition elements configuration of the element with atomic nu...

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  12. Explain why transition elements have manuy irregularties in their elec...

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  13. The paramagnetic character in 3d transition series elements increases ...

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  14. Scandium forms no coloured ions, yet it is regarded as a transition el...

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  15. Assertion : Hydrochloric acid is not used to acidify a KMnO(4) solutio...

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  16. Why Sm^(2+) , Eu^(2+) and Yb^(2+) ions in solution are good reducing a...

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  17. Why is the separation of lanthanide elements difficult?

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  18. The second ionisation enthalpies of both Cr and Cu are higher than tho...

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  19. Name the compound used for measuring the hardness of water, i.e., for ...

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  20. How will you distinguish between the following isomer pairs? (a). (i...

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