JEE MAIN - Chemistry (2024 - 31st January Morning Shift - No. 20)
The correct sequence of electron gain enthalpy of the elements listed below is
A. Ar
B. Br
C. F
D. S
Choose the most appropriate from the options given below:
$$\mathrm{A>D>C>B}$$
$$\mathrm{A}>\mathrm{D}>\mathrm{B}>\mathrm{C}$$
$$\mathrm{D}>\mathrm{C}>\mathrm{B}>\mathrm{A}$$
$$\mathrm{C}>\mathrm{B}>\mathrm{D}>\mathrm{A}$$
Explanation
$$\begin{array}{ll}
\text { Element } & \Delta_{\mathrm{eg}} \mathrm{H}(\mathrm{kJ} / \mathrm{mol}) \\
\mathrm{F} & -333 \\
\mathrm{~S} & -200 \\
\mathrm{Br} & -325 \\
\mathrm{Ar} & +96
\end{array}$$
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