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Which of the following is correct regard...

Which of the following is correct regarding the variation of properties in a group of the periodic table?

A

`""_3Li to ""_19 K` : Ionization enthalpy increases

B

`""_9F to ""_35Br` : Electron gain enthalpy with negative sign increases

C

`""_6C to ""_32Ge` : Atomic radii increases.

D

`""_18Ar to ""_54Xe` : Noble character increases.

Text Solution

Verified by Experts

The correct Answer is:
C
`""_6C to ""_32Ge` : Atomic radii increases.
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BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTIONS (LEVEL-II)
  1. If the atomic number of an inert gas element is Z, then an element wit...

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  2. The process requiring absorption of energy is

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

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

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

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

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

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  8. The electronic configuration of the element which is just above the el...

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  9. The electron affinity of nitrogen is lower than that of carbon because

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  10. The decreasing order of second ionisation potential of K, Ca and Ba is...

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  11. The incorrect statement among the following is:

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  12. Increasing order of atomic radii is:

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  13. The sucessive ionisation energy values for an element X are given belo...

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  14. The electron affinity values (in kJ mol^(-1) )of three halogens X, Y a...

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  15. Choose the incorrect statement.

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  16. In which of the following arrangements, the order is not correct accor...

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  17. Sodium cannot exhibit +2 oxidation state because its:

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  18. Consider the electronic configurations, (i) 1s^(2)2s^(2)2p^(6)3s^(1) ...

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  19. IP(1) and IP(2) of Mg are 178 and 348 kcal mol^(-1). The energy requir...

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

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