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Ionization enthalpies are...

Ionization enthalpies are

A

all positive quantities

B

all negative quantities

C

either positive or negative quantities

D

all netural quantities

Text Solution

Verified by Experts

The correct Answer is:
A
Ionization is always an endothermic process. By convetion, enegry absoerbed by atoms (or ions) in the ionization process has a positive value.
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R SHARMA-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN ELEMENTS-Follow-up Test
  1. While dealing with multielectron atoms or ions, we must use the concep...

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  2. In SI system, the ionizarion enthalpy is measured in

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  3. Ionization enthalpies are

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  5. The largest ionization enthalpies in any period occur for the

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  6. The values of ionzation enthalpies tend to increase within each period...

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  7. Ionization enthalpies tend to decrease going down any column of main g...

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  8. Ionizarion is not limited to the removal of a single electron from an ...

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  9. Which of the following elements has a large jump between its fourth an...

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  10. Arrange the following elements in the order of incresing first ionizar...

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  11. The first four ionization enthalpies of an element are 578 kJ mol^(-1)...

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  12. Electron gain enthalpy of an element is a measure of its atom's abilit...

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  13. Which of the following is a measure of the firmness or strength with w...

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  14. Electron gain enthalpy is greater than zero for

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  15. Which of the following elements have the most negative electron gain e...

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  16. The general horizontal trend is that electron gain enthalpies become m...

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  17. Electron gain enthalpies of free anions are always

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  18. Which of the following elements has the most negative electron gain en...

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  19. Which of these elements has a less favorable (more positive) Delta(eg)...

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  20. Which of the noble gases has the maximum positive Delta(eg)H?

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