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The incorrect statement Among the follow...

The incorrect statement Among the following is A)The first ionisation potential of Al is less than the first ionisation potential of Mg. B)The first ionisation potential of Na is less than the first ionisation potential of Mg. C)The second ionisation potential of Mg greater than the second ionisation potential of Na D)The third ionisation potential of Mg greater than the third ionisation potential of Al

A

the first ionisation potential of Al is less then the first ionisation potential of Mg

B

the second ionisation potential of Mg is greater then the second ionisation potential of Na

C

the first ionisation potential of Na is less then the first ionisation potential of Mg

D

the third ionisation potential of Mg is greater then the third ionisation potential of Al

Text Solution

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The correct Answer is:
B
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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-J-ADVANCED EXERCISE
  1. The basic nature of hydroxides of group 13 (III-A) decreases progressi...

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  2. Moving from right to left in a periodic table, the atomic size is :

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  3. The increasing order of electronegativity in the following elements :

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  4. One element has atomic weight 39. Its electronic configuration is 1s^(...

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  5. The number of paired electrons in oxygen atom is :

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  6. The decreasing size of K^(+),Ca^(2+),Cl^(-) & S^(2-) follows the order...

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  7. The incorrect statement Among the following is A)The first ionisation...

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  8. Li^(+),Mg^(2+),K^(+),Al^(3+) (Arrange in increasing order of radii)

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  9. Which one of the following statement (s) is (are) correct?

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  10. The ground state electronic configuration of nitrogen atom can be repr...

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  11. The electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)...

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  12. Assertion: F atom has less negative electron gain enthaply than Cl ato...

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  13. The correct order of radii is

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  14. The IE of Be is greater than that of B.

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  15. The set representing correct order of IP(1) is

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  16. The least stable ion among the following is

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  17. The maximum number of electrons that can have principal quantum number...

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  18. In an atom, the total number of electrons 'having quantum numbers' n =...

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  19. The correct order of atomic radii in group 13 elements is

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  20. The option (s) with only amphoteric oxides is (are)

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