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Usefull lanthanide member is:...

Usefull lanthanide member is:

A

Cerium

B

Lanthanum

C

Neodymium

D

Lutertium

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The correct Answer is:
A
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MBD PUBLICATION-TRANSITION METALS (d-BLOCK ELEMENTS)-QUESTION BANK
  1. Which metal is used in making cathode containers of dry cell?

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  2. Which statement is correct ?

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  3. Usefull lanthanide member is:

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  4. The lanthanide contraction is responsible for the fact that:

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  5. Which of the following elements is responsible for oxidation for water...

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  6. The metal ion which does not from coloured compound is:

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  7. Which of the following icons is coloured?

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  8. Among the following the compound that is both paramagnetic and coloure...

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  9. Which of the following compounds is expected to be coloured ?

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  10. Which of the following elements shows maximum number of different oxid...

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  11. Which one of the following ionic species will impart colour to an aque...

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  12. Which compound does not dissolve in hot, dilute HNO3 ?

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  13. An aqueous solution of FeSO4*Al2(SO4) and chrome alum is heated with e...

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  14. Ammonium dichromate is used in some fireworks. The green coloured powd...

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  15. Muntz metal is an alloy of:

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  16. A substance which turns blue when treated with water is:

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  17. Which is used as substitute for platinum in jewellery?

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  18. Oxygen is absorbed by molten Ag, which is evolved on cooling and the s...

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  19. Common oxidation state of element of atomic number 47 is:

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  20. The material used for the lining of Bessemer's converter in the extrac...

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