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Consider the isoelectronic series: K^+ ,...

Consider the isoelectronic series: `K^+ , S^(2-) , Cl^-` and`Ca^(2+)` the radii of the ions decrease as

A

`Ca^(2+) gt K^+ gt Cl^- gt S^(2-)`

B

`Cl^- gt S^(2-) gt K^+ gt Ca^(2+)`

C

`S^(2-) gt Cl^- gt K^+ gt Ca^(2+)`

D

`K^+ gt Ca^(2+) gt S^(2-) gt Cl^-`

Text Solution

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The correct Answer is:
C
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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Which of the following has largest radius

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  2. Arrange the elements in increasing order of atomic radius Na , Rb , K ...

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  3. Consider the isoelectronic series: K^+ , S^(2-) , Cl^- andCa^(2+) the ...

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  4. Highest size will be of

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  5. Ionization potential of Na would be numerically the same as

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  6. The IP1 , IP2 , IP3 , IP4 and IP5 of an element are 7.1 , 14.3 , 34.5 ...

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  7. The screening effect of d-electrons is

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  8. Correct orders of IE1 are (i) Li lt B lt Be lt C (ii) O lt N lt F ...

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  9. The maximum tendency to form unlpositive ion is for the element with t...

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  10. The second ionisation potentials in electron volts of oxygen and fluor...

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  11. A sudden large jump between the values of 2nd and 3rd IP of an element...

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  12. The ionization energy of sodium is 495 kJmol^(-1) How much energy is n...

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  13. IP1 and IP2 of Mg are 178 and 348 K cal mol^(-1). The enthalpy require...

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  14. The correct order of second I.P.

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  15. In which case the energy released in minimum

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  16. Second electron affinity of an element is

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  17. The electron affinity values for the halogens shown the following tren...

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  18. Electron affinities of O , F, S , and Cl are in the order

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  19. Increasing order of Electron affinity for following configuration. 1s...

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  20. If electronegativity of x be 3.2 and that of y be 2.2 the percentage i...

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