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The ionisation energy and electron affin...

The ionisation energy and electron affinity of an element are 13.0ev and 3.8 ev respectively. Its electronegativity is

A

`4.0`

B

`3.5`

C

`3.0`

D

`2.8`

Text Solution

Verified by Experts

The correct Answer is:
C
`E.N.=(I.P+E.A.)/(5.6)`
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NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -EXERCISE - 2 (C.W)
  1. The formation of oxide ion O^(2-)(g) from oxygen atom requires first a...

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

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

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

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

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

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  7. Which of the following element is most electropositive?

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

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

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

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

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

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

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

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

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

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

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  18. Which of the following elements will gain one electron more readily in...

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  19. Which of the following statements are correct ?

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  20. Which of the following sets contain only isoelectronic ions?

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