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Ionisation energies of Ni and Pt in Kjmo...

Ionisation energies of `Ni` and `Pt` in `Kjmol^(-1)` are given below
`{:(,ubrace((IE)_(1)+(IE)_(2)),ubrace((IE)_(3)+(IE)_(4))),(Ni,2.49,8.80),(Pt,2.60,6.70):}`
So, (select the correct statement)

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Comparing `IE_1 + IE_2` and Ni and Pt, Ni has lower value than Pt therefore, `Ni^(+2)` will be more stable than `Pt^(+2)` where as on summating `IE_1, IE_2 , IE_3 and IE_4 . `
`Ni^(4+)=2.49+8.80=11.29`
`Pt^(4+)=2.66+6.70=9.36`
I.E. of Pt (IV) is less than Ni(V)
Therefore `Pt^(4+)` is more stable
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VMC MODULES ENGLISH-PERIODIC PROPERTIES OF ELEMENTS -In Chapter Exercise-F
  1. Ionisation energies of Ni and Pt in Kjmol^(-1) are given below {:(,u...

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  2. Predict the blocks and periods of the following elements. Br (35)

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  3. Which of these is the weakest base?

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  4. Which of the following sequence correctly represents the decreasing ac...

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  5. Period to which Aluminium belongs is

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  6. Period to which Calcium belongs is

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  7. Period to which chlorine belongs is

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  8. Which of the following alkaline earth metal suphate salt is the least ...

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  9. Which of these alkali metal ions undergo the maximum hydration when ad...

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  10. Period to which Neon belongs is

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  11. The easily decomposable carbonate among these is,

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  12. Atomic number of an element is 33. State the group to which it belongs...

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  13. Which of these is the weakest base?

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  14. Atomic number of an element is 32. State the group to which it belongs...

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  15. Atomic number of an element is 36. State the group to which it belong...

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  16. Atomic number of an element is 37. State the group to which it belongs...

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  17. A : Solubility of alkaline earth metal carbonates decreases down the g...

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  18. Which of the following alkaline earth metal suphate salt is the least ...

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  19. Which of these alkali metal ions undergo the maximum hydration when ad...

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  20. Atomic number of an element is 53. State the group to which it belongs...

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  21. The easily decomposable carbonate among these is,

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