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The IP of Zr is 674kJ//"mole". The IP of...

The IP of Zr is `674kJ//"mole"`. The IP of Hf is

A

656 kJ

B

760 kJ

C

616 kJ

D

631 kJ

Text Solution

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The correct Answer is:
B
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NARAYNA-D - BLOCK ELEMENTS-CUQ (INTRODUCTION)
  1. Which element exhibits highest density in 3d series

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  2. The maximum and minimum melting points of first and second transition ...

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  3. The IP of Zr is 674kJ//"mole". The IP of Hf is

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  4. The following does not show variable valency

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  5. Maximum oxdiation state exhibited by Osmium is

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  6. Which of the following ion is coloured in its aqueous solution?

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  7. In which pair, both ions are coloured in aqueous medium

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  8. Name the catalyst and promoter in the Haber's process for the manufact...

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  9. The following metal shows ferromagnetic nature

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  10. For a paramagnetic substance, the field strength of substance (B) and ...

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  11. Assertion (A): The "spin only” magnetic moment [in units of Bohr magne...

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  12. Assertion (A): Magnetic moment of Ni^(+2) ions can be very close to th...

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  13. Hydrogen occupies the following holes, C and N occupy the following ho...

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  14. The alloy used in the reduction of nitrites to ammonia is

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  15. Assertion (A): Zinc-copper couple that can be used as a reducing agent...

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  16. The number of moles of KMnO(4) that will be needed to react with one m...

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  17. Chromyl chloride when dissolves in NaOH solution gives yellow solutio...

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  18. Cinnabar is an ore of

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  19. Which of the following metals react with chlorine to form their respec...

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  20. Which of the following iron salts exists as a dimer?

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