question_answer

Bond dissociation enthalpy of \[5.0k\,mola{{l}^{-1}}\],\[Zn(s)+C{{u}^{2+}}(aq)\xrightarrow{{}}Z{{n}^{2+}}(aq)+Cu(s)\] and\[[E_{cell}^{o}=1.1\text{V}]\]are 406,242 and\[\text{2}\times \text{1}{{0}^{\text{32}}}\] respectively. Enthalpy of formation of\[\text{2}\times \text{1}{{0}^{\text{34}}}\]is

A) \[\text{2}\times \text{1}{{0}^{\text{37}}}\]                        

B) \[\text{2}\times \text{1}{{0}^{\text{39}}}\]

C) \[LiCl,NaCl,KCl\]  

D) \[\text{LiCl}>\text{NaCl}>\text{KCl}\]