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Standard XII

Chemistry

Electronegativity

Which of the ...

Question

Which of the following relation is correct?
$(IE = Ionisation energy in eV/atom, EA = Electron affinity in eV/atom, EN = Electronegativity in Mulliken scale)$

2IE - EA - EN = 0

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2EN - IE - EA = 0

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2EA - IE - EN = 0

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EN - IE - EA = 0

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Solution

The correct option is B $2EN - IE - EA = 0$
On Mulliken's scale:
$EN = \frac{IE + EA}{2}$
$\Rightarrow 2EN - IE - EA=0$
Hence, the correct option is (b).

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Electronegativity

Standard XII Chemistry

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Which of the following relation is correct? (IE = Ionisation energy in eV/atom, EA = Electron affinity in eV/atom, EN = Electronegativity in Mulliken scale)

The correct option is B 2EN - IE - EA = 0On Mulliken's scale: EN=IE + EA2 ⇒2EN - IE - EA=0 Hence, the correct option is (b).

Which of the following relation is correct?
$(IE = Ionisation energy in eV/atom, EA = Electron affinity in eV/atom, EN = Electronegativity in Mulliken scale)$

The correct option is B $2EN - IE - EA = 0$
On Mulliken's scale:
$EN = \frac{IE + EA}{2}$
$\Rightarrow 2EN - IE - EA=0$
Hence, the correct option is (b).