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The incorrect statement among the follow...

The incorrect statement among the following is :-

A

The first ionisation energy of calcium is more than first ionisation energy of galium

B

The second ionisation energy of copper is greater than that of potassium

C

The third ionisation of Mg is greater than the third ionisation energy of Mg is greater than the third ionisation energy of Al

D

The `IE_(1) of Mg^(+)` is less than the `IE_(1) of Na^(+)`

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The correct Answer is:
C
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ALLEN-Periodic Table -All Questions
  1. From the ground state, electronic configuration of the elements given ...

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  2. An element has successive ionization enthalpies as 940 (first),2080,30...

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  3. The incorrect statement among the following is :-

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  4. Ionisation energy depends upon:

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

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  6. Which one of the following statements is incorrect in relation to ioni...

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  7. The IP(1),IP(2),IP(3),IP(4) and IP(5) of an element are 7.1, 14.3, 34....

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  8. Which process required maximum energy :-

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  9. To which the following atom, the attachment of electron is most diffic...

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  10. The element having very high ionization enthalpy but zero electron af...

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  11. Which of the following statement is correct regarding following proces...

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  12. Select equation having exothermic step:

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  13. Electron affinity of :

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  14. An atom with high electronegativity generally has :-

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  15. Assertion :- Cr belong to 4th period Reason :- Cr atom contain 4 sh...

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  16. Assertion :- First electrons affinity fo all element is positive. Re...

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  17. Assertion :- The first ionization energy of Be is greater than that of...

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  18. Assertion:- Mg^(2+) is smaller atomic size then F^(-) Resaon :- Mg...

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  19. Assertion :- He has highest I.E among all elements. Reason :- He ha...

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  20. Assertion :- Metallic character increases on going down the group R...

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