JEE Main & Advanced Sample Paper JEE Main Sample Paper-41

  • question_answer
    Which of the following defines enthalpy of solution?

    A)  \[{{H}_{2}}O(l)\xrightarrow[{}]{{}}{{H}^{+}}(aq)+O{{H}^{-}}(aq)\]

    B)  \[N{{H}_{4}}Cl(s)\xrightarrow[{}]{{}}NH_{4}^{+}(aq)+C{{l}^{-}}(aq)\]

    C)  \[CuS{{O}_{4}}\cdot 5{{H}_{2}}O(s)+{{H}_{2}}O\xrightarrow[{}]{{}}CuS{{O}_{4}}(aq)\]

    D)  \[CuS{{O}_{4}}(s)+5{{H}_{2}}O\xrightarrow[{}]{{}}CuS{{O}_{4}}\cdot 5{{H}_{2}}O(s)\]

    Correct Answer: C

    Solution :

    \[{{H}_{2}}O(l)\xrightarrow[{}]{{}}{{H}^{+}}(aq)+\overset{\Theta }{\mathop{OH}}\,(aq)\] Enthalpy of dissociation \[N{{H}_{4}}Cl(s)\xrightarrow[{}]{{}}NH_{4}^{+}(aq)+C{{l}^{-}}(aq)\] Enthalpy of dissociation \[CuS{{O}_{4}}\cdot 5{{H}_{2}}O(s)+{{H}_{2}}O\xrightarrow[{}]{{}}CuS{{O}_{4}}(aq)\] Enthalpy of solution \[CuS{{O}_{4}}(s)+5{{H}_{2}}O\xrightarrow[{}]{{}}CuS{{O}_{4}}\cdot 5{{H}_{2}}O(s)\] Enthalpy of hydration


You need to login to perform this action.
You will be redirected in 3 sec spinner