1.

The correct order of electron gain enthalpy with negative sign of F, Cl, Br and I having atomic number 9, 17, 35 and 53, respectively is ……(a) J > Br > Cl >F (b) F > Cl > Br >I (c) Cl > F > Br >I (d) Br > I > Cl > F

Answer»

(c) Cl > F > Br > I



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