| Assertion: The equilibrium constant for the reaction\[CaS{{O}_{4}}.5{{H}_{2}}O(s)\]⇌\[CaS{{O}_{4}}.3{{H}_{2}}O(s)+2{{H}_{2}}O(g)\] is \[{{K}_{C}}=\frac{[CaS{{O}_{4}}.3{{H}_{2}}O]{{[{{H}_{2}}O]}^{2}}}{[CaS{{O}_{4}}.5{{H}_{2}}O]}\] |
| Reason: Equilibrium constant is the ratio of the product of molar concentration of the substances produced to the product of the molar concentrations of reactants with each concentrations term raised to the power equal to the respective stoichiometric constant. |
| Read the assertion and reason carefully to mark the correct option out of the options given below: |
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Correct Answer: E
Solution :
[e] Assertion is false but reason is true. \[{{K}_{c}}={{[{{H}_{2}}O]}^{2}}\], because concentration of solids is taken to be unity.
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