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The IP1 , IP2 , IP3 , IP4 and IP5 of an ...

The `IP_1 , IP_2 , IP_3 , IP_4` and `IP_5` of an element are 7.1 , 14.3 , 34.5 , 46.8 , 162.2 ev respectively . The element Is likely to be

A

Na

B

Si

C

F

D

Ca

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The correct Answer is:
B
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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Highest size will be of

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

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

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  4. The screening effect of d-electrons is

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

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

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

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

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

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

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  11. The correct order of second I.P.

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  12. In which case the energy released in minimum

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  13. Second electron affinity of an element is

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

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

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

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

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  18. which of the following relation is correct ?

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  19. Which oxide of N is isoelectronic with CO2

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  20. Which of the following group does not represent the isoelectronic spec...

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