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  • The correct order of electron gain enthalpies of Cl, F, Te and Po isOption: 1 <img alt="\mathrm{F}<\mathrm{Cl}<\mathrm{Te}<\mathrm{Po}" src=

The correct order of electron gain enthalpies of Cl, F, Te and Po is

Option: 1

\mathrm{F}<\mathrm{Cl}<\mathrm{Te}<\mathrm{Po}


Option: 2

\mathrm{Po}_{\mathrm{}}<\mathrm{Te}<\mathrm{F}<\mathrm{Cl}


Option: 3

\mathrm{Te}<\mathrm{Po}<\mathrm{Cl}<\mathrm{F}


Option: 4

\mathrm{Cl}<\mathrm{F}<\mathrm{Te}<\mathrm{Po}


Answers (1)

best_answer

We know, Chlorine has the maximum negative value of electron gain enthpy.

The electron gain enthalpy data for the elements are given below : 

\mathrm{F \Rightarrow \Delta_{eg}H = -328 \mathrm{~kJ} / \mathrm{mol}}

\mathrm{Cl \Rightarrow \Delta_{\text {eg }} H=-349 \mathrm{~kJ} / \mathrm{mol} }

\mathrm{Te \Rightarrow \Delta _{eg}H =-190 \mathrm{~kJ} / \mathrm{mol} }

\mathrm{ Po \Rightarrow \Delta_{eg}H =-174 \mathrm{~kJ} /\mathrm{mol} }

Hence, the correct answer is Option (4)

Posted by

vinayak

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