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Which of the following order is wrong?...

Which of the following order is wrong?

A

`NH_(3) lt PH_(3) lt AsH_(3)` -Acidic character

B

`Li^(+) lt Na^(+) lt K^(+) lt Cs^(+)` -Ionic radius in gaseous state

C

`Lilt Be lt B lt C - IE,`

D

`Li lt Na lt K lt Rb`-Increasing metallic radius

Text Solution

Verified by Experts

The correct Answer is:
C

`Lilt Be lt B lt C lt IE,`
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BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-LEVEL-II
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  2. Elements a, b, c, d and e have the following electronic configuration ...

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  3. Which of the following order is wrong?

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  4. General electronic configuration of outermost and penultimate shell of...

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  5. An element X belongs to fourth period and fifteenth group of the perio...

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  6. The correct order of decreasing first ionization energy is:

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  7. Similarity in chemical properties of the atoms of elements in a group ...

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  8. In the long form of the periodic table, the valence shell electronic c...

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  9. In which of the following sets of atomic numbers, all the elements do ...

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  10. Which of the following element is just below in the E.C. of [Ne]3s^(2)...

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  11. Chloride of an element A gives neutral solution in water. In the perio...

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  12. Write the period number, group number and block of the element having ...

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  13. Among the elements with the following atomic numbers, which are d-bloc...

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  14. If the atomic number of an inert gas element is Z, then an element wit...

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  15. The process requiring absorption of energy is

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  16. Which of the following is correct regarding the variation of propertie...

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  17. The electronegativity of H, O and X are 2.1, 3.5 and 0.7 respectively....

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  18. ns^(2) np^(4) (n-outermost orbit) represents the valence electrons. T...

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  19. The statement that is not correct for the periodic classification of e...

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  20. lonization potential of phosphorus is greater than that of sulphur bec...

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