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QAIPMT-2010-Ch-2003: NEET 2010 Chemistry - Class 11 AIPMT-2010-Ch-2003 Solution: Which of the following represents the correct order of…

Which of the following represents the correct order of increasing electron gain enthalpy with negative sign for the elements O, S, F and Cl?

Multiple Choice Options

A $Cl<F<O<S$
B $O<S<F<Cl$
C $F<S<O<Cl$
D $S<O<Cl<F$

Step-by-Step Verified Solution

Cl atom has the highest electron affinity in the periodic table. F is a member of group 17 has highest electron gain enthalpy than S which is a group 16 element. This is turn is higher than the electron affinity of O atom. Thus, Cl > F > S > O

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