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Among halogens, the correct order of amo...

Among halogens, the correct order of amount of energy released in electron gain (electron gain enthalpy) is:

A

`F gt Cl gt Br gt I`

B

`F lt Cl lt Br lt I`

C

`F lt Cl gt Br gt I`

D

`F lt Cl lt Br lt I`

Text Solution

Verified by Experts

The correct Answer is:
C
Chlorine has more electron gain enthalpy than fluorine.
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NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -EXERCISE - 2 (C.W)
  1. The element having very high ionization enthalpy but zero electron af...

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

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

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

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

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

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

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

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

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  10. Which of the following element is most electropositive?

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

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

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

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

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

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

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

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

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

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  20. Which of the following sequences contain atomic numbers of only repres...

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