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Select correct statement....

Select correct statement.

A

Atomic size of the same group elements of 3d and 4d-series are almost similar

B

First ionisation energies of 5d-series elements are smaller than that of 3d and 4d-series elements

C

Both are correct

D

Both are incorrect

Text Solution

Verified by Experts

The correct Answer is:
D
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GRB PUBLICATION-PERIODIC TABLE-C.Ionisation Energy
  1. Ionisation enthalpy of Na would be same as

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  2. Which element having the following electronic configuration has minimu...

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  3. Select correct statement.

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  4. Which option is correct?

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  5. Which one of the following electronic configuration of an atom has the...

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  6. Identify the incorrect order of first ionization energy.

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  7. Amongst the following elements whose electronic configuration are give...

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  8. Which of the following ion of an element E (E belongs to 2nd period) h...

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  9. Higher values of ionisation energies of the 5d-transition elements are...

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  10. Metallic nature increases moving down the group because:

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  11. Select the correct statement.

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  12. Which of the following sequence regarding the first ionisation potenti...

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  13. The ionisation energy for 'Sc', 'Y' and 'La' are x,y and z kcal/mol re...

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  14. Select proper graph of 13th group ionization energy us. Its elements.

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  15. Second ionisation potential of Li,Be,B is in the order:

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  16. Select correct graph, which is plotted between ionisation energy of 2n...

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  17. For metal M, first ionisation energy is equal to 38 kcal/mole. Which o...

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  18. The ionisation enthalpy of lithium is much lower than that of helium d...

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  19. The first ionisation enthalpy (Delta(i)H^(o-)) values of the third per...

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  20. Correct order of IE(1) are: (P) Li lt B lt Be lt C (Q) O lt N lt F ...

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