Assertion : Formation of ion is exothermic whereas ion formation is endothermic

CHEMISTRY · Subjective · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

Assertion : Formation of

\text{Cl}^-

ion is exothermic whereas

\text{O}^{2-}

ion formation is endothermic. Reason :

\text{EA}_2

of oxygen is endothermic and greater than its exothermic

\text{EA}_1

value of oxygen.