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The value of IE(1), IE(2), IE(3) and IE(...

The value of `IE_(1), IE_(2), IE_(3)` and `IE_(4)` of an atom are respectively `7.5 eV, 25.6 eV, 48.6 eV` and `170.6 eV`. The electronic configuration of the atom will be

A

`1s^(2), 2s^(2)2p^(6), 3s^(1)`

B

`1s^(2)2s^(2)2p^(6)3s^(2) 3p^(1)`

C

`1s^(2), 2s^(2)2p^(6)3s^(2)3p^(3)`

D

`1s^(2), 2s^(2)2p^(6)3s^(2)`

Text Solution

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The correct Answer is:
B
There is a high jump from `IE_(3)` to `IE_(4)`. Therefore, it is difficult to remove the 4th valence electron. So, electronic configuration of element must have three valence electrons. Hence, the answer is (b).
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CENGAGE CHEMISTRY ENGLISH-PERIODIC CLASSIFICATION OF ELEMENTS AND GENERAL INORGANIC CHEMISTRY-Exercises (Single Correct) Ionisation Energy (Ie)
  1. Which of the elements show least values of ionisation within their per...

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  2. Which of the following has the largest ionisation energy.

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  3. Which one of the following elements has the highest ionisation energy?

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  4. The correct order of second ionisation potentials of carbon, nitrogen,...

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  5. Which has the largest first ionisation energy ?

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  6. Which of the following element has the highest ionisation enregy ?

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  7. Ionisation enthalpy of nitrogen is more than oxygen because of

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  8. The set representing the correct order of the first ionisation potenti...

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  9. The first ionisation potential of which of the element is highest

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  10. Highest ionisation potential in a period is shown by

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  11. The first ionisation energy is maximum for

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  12. Which sequence is correct regarding the first ionisation potential of ...

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

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  14. The value of IE(1), IE(2), IE(3) and IE(4) of an atom are respectively...

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  15. IE(1), IE(2) and IE(3) values are 100, 150 and 1500 eV respectively. T...

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  16. N(0)//2 atoms of X((g)) are converted into X((g))^(o+) by energy E(1),...

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  17. Which of the following ionisation energy valuyes for calcium show a su...

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  18. Which one of the following statements is incorrect in relation to ioni...

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  19. IE(2) for an element is inveriably higher than IE(1) because

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  20. Which of the following metal requires radiation of the lowest waveleng...

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