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The five successive ionization enthalpie...

The five successive ionization enthalpies of an element are 800, 2427 , 3658 , 25024 abd 32824 KJ `"mol"^(-1)` . The number of valence electrons in the elements is :

A

`3`

B

`5`

C

`1`

D

`2`

Text Solution

Verified by Experts

The correct Answer is:
A
There is a large jump from `IE_(3) (3658 kJ mol^(-1))` to `IE_(4)(25024 kJ mol^(-1))`. Therefore, it is very difficult to remove the `3rd` valence electron.
Hence, the answer is (a).
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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 following in an energy consuming process ?

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  2. Arrange S, P and As in order of increasing ionisation energy.

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  3. The five successive ionization enthalpies of an element are 800, 2427 ...

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  4. Which of the following transitions involves maximum amount of energy?

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  5. Which of the elements show least values of ionisation within their per...

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

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

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

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  9. Which has the largest first ionisation energy ?

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

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

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

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

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  14. Highest ionisation potential in a period is shown by

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  15. The first ionisation energy is maximum for

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

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

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

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

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

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