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Which of the following statement concern...

Which of the following statement concerning ionisation energy is not correct ?

A

The `IE_(2)` is always more than the first.

B

Within a group, there is a gradual increase in ionisation energy because nuclear charge increases.

C

Ionisation energies of `Be` is more than `B`.

D

Ionisation energies of noble gases are high.

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The correct Answer is:
B
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CENGAGE CHEMISTRY-PERIODIC CLASSIFICATION OF ELEMENTS AND GENERAL INORGANIC CHEMISTRY-Exercises (Single Correct) Ionisation Energy (Ie)
  1. From the ground state electronic configuration of the elements given ...

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  2. Which of the following process refers to IE(2) ?

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  3. Which of the following statement concerning ionisation energy is not c...

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  4. The graph of IE(1) or Delta(1)H(1)^(ɵ) versus atomic number (Z) is giv...

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  5. Which of the following ioelectronic ions have the lowest ionisation en...

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  6. The second ionisation potential is

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

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

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

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

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

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

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

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

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  15. The correct order of the second ionisation potential of carbon, nitrog...

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  16. Which has the largest first ionisation energy ?

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

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

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

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

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