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The ionisation potential and electron af...

The ionisation potential and electron affinity of an element "X" are 275 and 86 kcal/mole. Then the electronegativity of "X" according to Mulliken scale is

A

`4.0`

B

`3.5`

C

`2.8`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
`EN=(IP+EA)/(129)`
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NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -EXERCISE - 1 (H.W)
  1. Electron affinity of chlorine is -348 kJ/mol. Then the electron affini...

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  2. The electronegativity of the following elements increases in the order...

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  3. The ionisation potential and electron affinity of an element "X" are 2...

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  4. Which of the following does not be considered as a fixed quantity A)El...

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  5. The electronegativity of K=0.8 and Cl=3.0. The type of bond formed bet...

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  6. An element "X" has IP=1681 kJ/mole and EA=-333 kJ/mole then its electr...

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  7. Which of the following has zero electronegativity

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  8. Which of the following elements posses zero electron affinity (theriot...

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  9. The electronegativities of two elements A and B are 2.1 and 1.8. Then ...

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  10. In a compound XY, the electronegativity difference between X and Y is ...

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  11. The stable oxide state of Thallium, a III A group element is

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  12. The stable oxidation sate (+8) is exhibited by

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  13. The formula of the compound formed by the pair of elements Al & S is:

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  14. The oxidation state and valency of Al in [AlCl (H(2)O)(5)]^(2+)

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  15. An element has nine positive charges in its nucleus its common oxidati...

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  16. The outermost electronic configuration of most electropositive element...

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  17. The tendency if an element to lose an electron is called

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  18. Oxide that is most acidic

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  19. Three elements, X, Y and Z belong to the same period. Their oxides are...

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  20. The elements 'X', 'Y' and 'Z' form oxides which are acidic, basic and ...

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