AP EAMCET · Chemistry · Classification of Elements and Periodicity in Properties

Given that ionization potential and electron gain enthalpy of chlorine are $13 eV$ and $4 eV$ respectively. The electronegativity of chlorine on Mulliken scale, approximately equals to

A $8.5 eV$
B $6 .0 eV$
C $3 .0 eV$
D $1 .5 eV$

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Answer & Solution

Correct Answer

(C) $3 .0 eV$

Step-by-step Solution

Detailed explanation

So according to the Mulliken's scale we have to calculate the electronegativity of chlorine when ionisation potential and electron gain enthalpy is given So we know the formula of electronegative…

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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Given that ionization potential and electron gain enthalpy of chlorine are 13eV and 4eV respectively. The electronegativity of chlorine on Mulliken scale, approximately equals to

Step-by-step Solution

Given that ionization potential and electron gain enthalpy of chlorine are $13 eV$ and $4 eV$ respectively. The electronegativity of chlorine on Mulliken scale, approximately equals to