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The trend in ionisation enthalpy of tran...

The trend in ionisation enthalpy of transition element is not regular because

A

Removal of one electron alters the relative energies of 4s and 3d orbitals.

B

Due to different E.C. ( stability )

C

Poor screening of 3p orbital

D

Both(1) & (2)

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The correct Answer is:
A
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AAKASH INSTITUTE-THE D AND F-BLOCK ELEMENTS -Assingnment(Section -A ( Objective Type Questions)(One option is correct))
  1. Which of the following does not have abnormal electronic configuration...

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  2. Which of the element is not a typical transition element ?

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  3. The trend in ionisation enthalpy of transition element is not regular ...

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  4. The element having lowest IE(1)

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  5. Choose the pair in which IE(1) of first element is greater than IE(1) ...

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  6. Which of the following element does not show the variable oxidation st...

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  7. The most common oxidation states of 3d series elements

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  8. In 3d series highest oxidation state is shown by

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  9. With F highest stable oxidation state of Mn is

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  10. With O highest possible oxidation state of Mn is

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  11. Oxygen stablises higher oxidation state because

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  12. Which of the following have highest magnetic moment ?

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  13. Reduction potential of Mn^(2+)//M will depend on

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  14. Amongst the following ions, which is considered as most stable in M^(2...

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  15. Electrode potential of Mn^(2+)//M for Ni is abnormal because of

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  16. The species which is paramagnetic

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  17. A compound of a metal ion M^(X+)(z=24) has a spin only magnetic moment...

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  18. The species which convert Cu^(2+) to Cu^(+)

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  19. Which of the following is not a condition for complex formation?

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  20. Brass is an alloy of

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