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Ionisation of energy F^(ɵ) is 320 kJ mol...

Ionisation of energy `F^(ɵ)` is `320 kJ mol^(-1)`. The electronic gain enthalpy of fluorine would be

A

`-320 "kJ mol"^(-1)`

B

`-160 "kJ mol"^(-1)`

C

`320 "kJ mol"^(-1)`

D

`160 "kJ mol"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
Electron gain enthalpy is the `(-)` ve of ionisation enthalpy.
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NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -EXERCISE - 2 (C.W)
  1. The order of decreasing atomic radii for Be, Na & Mg is

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  2. From which of the following species in gaseous state it is easiest to ...

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  3. Ionisation of energy F^(ɵ) is 320 kJ mol^(-1). The electronic gain ent...

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  4. The element having very high ionization enthalpy but zero electron af...

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  5. The first ionisation potential of Na is 5.1eV. The value of eectrons g...

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  6. Among halogens, the correct order of amount of energy released in elec...

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  7. The formation of oxide ion O^(2-)(g) from oxygen atom requires first a...

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  8. Electronic configuration of four elements A, B ,C and D are given belo...

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  9. The ionisation energy and electron affinity of an element are 13.0ev a...

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  10. The electronegativity of cesium is 0.7 and that of flourine is 4.0 The...

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  11. If the ionization enthalpy and electron gain enthalpy of an element ar...

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  12. Calculate the effective nuclear charge experienced by the 4s-electron ...

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  13. Which of the following element is most electropositive?

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  14. Which of the following elements has zero electron affinity ?

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  15. The first ionization energy value of an element area 191, 578,872 and ...

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  16. Which of the following elements represents highly electropositive as w...

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  17. Although metals form basic oxides, which of the following metals form ...

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  18. The order in which the following oxides are arranged according to decr...

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  19. An element of atom mass 39 has the electron configuration 2,8,8,1 whic...

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  20. Match the entries of Column I with appropriate entries of Column II an...

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