Question

From the following reactions, determin the reaactions are that exothermic
(i) F(g)+ e +F-(g)
(ii) CaCl,(s) + Ca(s)+ Cl2 (8)
(iii) NaCl(s) → Na* (g)+CI+ (g)
(iv) K(g)+ é →K-(g)
(A) (i) and (iv) are exothermic
(B) (ii) and (iii) are exothermic
(C) All the reactions are exothermic
(D) (i), (ii), and (iii) are exothermic​

Answer 1

The answer is

(B) (ii) and (iii) are exothermic