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Which of the following ioelectronic ions...

Which of the following ioelectronic ions have the lowest ionisation enthalpy ?

A

`K^(o+)`

B

`Ca^(2+)`

C

`Cl^(ɵ)`

D

`S^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
D
More positively charged ion will require high energy to remove electron than that of more negatively charged ion. Hence, the `IE` of `S^(2-)` will be the lowest among the given ions.
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CENGAGE CHEMISTRY-PERIODIC CLASSIFICATION OF ELEMENTS AND GENERAL INORGANIC CHEMISTRY-Exercises (Single Correct) Ionisation Energy (Ie)
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  4. The second ionisation potential is

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  5. Which of the following process requires the largest amount of energy ?

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  6. Which of the following in an energy consuming process ?

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

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  8. The five successive energies of an element are 800, 2427, 3658, 25024 ...

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

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

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

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

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  14. Which has the largest first ionisation energy ?

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

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  16. The ionisation energy of nitrogen is more than that of oxygen because

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

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

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  19. Highest ionisation potential in a period is shown by

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  20. The first ionisation energy is maximum for

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