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The set representing the correct order o...

The set representing the correct order of the first ionisation potential is

A

`KgtNagtLi`

B

`BeltgtMggtCa`

C

`BgtCgtN`

D

`GegtSigtC`

Text Solution

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The correct Answer is:
B
`IE_(1)` decrease from top to bottom in a group.
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
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  2. The common features among the species CN^-, CO and NO^+

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  4. Identify the least stable among the following

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  5. The ions O^(2-), F^-, Na^+, Mg^(2+) and Al^(3+) iso-electronic. Their ...

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  6. Which one of the following sets of ions represents the collection of i...

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  7. Which of the following sets of ions represents a collection of isoelec...

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  8. The increasing order of the first ionization enthalpy of the elements ...

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  9. Following statements regarding the periodic trends of chemical reactiv...

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  10. Largest difference in radii is found in case of the pair

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  11. The charge/size ratio of a cation determines its polarizing power. Whi...

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  12. Which one of the following constitutes a group of the isoelectronic sp...

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  13. The correct of decreasing second ionisation enthalpy of Ti(22),V(23),C...

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  14. Amongst the following elements (whose electronic configuration an gi...

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  15. The correct order of decreasing ionic radii among the following isoele...

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  16. Assertion: Oxides are more ionic than corresponding sulphides. Reaso...

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

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  18. Assertion :First ionization energy is lower than oxygen. Reason :Ac...

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  19. Assertion : F is more electronegative than Cl. Reason : F has high e...

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  20. The first three successive ionisation energies of an element X are 520...

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