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Let electronegativity, ionisation energy...

Let electronegativity, ionisation energy and electron affinity be represented as EN, IP and EA respectively. Which one of the following equation is correct according to Mulliken?

A

`EN=IPxxEA`

B

`EN=(IP)/(EA)`

C

`EN=(IP+EA)/(2)`

D

`EN=IP-EA`

Text Solution

Verified by Experts

The correct Answer is:
C
According to Mulliken, electronegativity of atom is the sum of ionisation energy and electron affinity i.e.,
  `EN = (IP + EA)/(2)`
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