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Ragini Rajagopalan
Asked: 2022-11-01T13:35:54+05:30 In:

Solubility curve of `Na_(2)SO_(4).10H_(2)O` in water with temperature is given as
image
A. Solution process is exothermic
B. Solution process is exothermic till `32.4^(@)C` and endothermic after `32.4^(@)C`
C. Solution process is endothermic till `32.4^(@)` and exothermic thereafter
D. Solution process is endothermic

Solubility curve of `Na_(2)SO_(4).10H_(2)O` in water with temperature is given as
image
A. Solution process is exothermic
B. Solution process is exothermic till `32.4^(@)C` and endothermic after `32.4^(@)C`
C. Solution process is endothermic till `32.4^(@)` and exothermic thereafter
D. Solution process is endothermic
Parabola
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  1. Correct Answer – C
    Below `34^(@)C, Na_(2)SO_(4).10H_(2)O` exists as such, since in this part solubility increases. This implies that process must be endothermic. Thereafter, solubility decrease with rise in temperature. It means that the solution process is exothermic. In fact after `34^(@)C` the substance exists in anhydrous state `Na_(2)SO_(4)`.

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Munni Ram Kakar
Asked: 2022-10-29T02:09:44+05:30 In:

Solubility curve of `Na_(2)SO_(4)`. `10H_(2)O` in water with temperature is given as
image
A. Solution process is exothermic
B. Solution proscess is exothermic til `34^(@)` C and endothermic after `34^(@)`
C. Solution process is endothermic till `34^(@)`C and exothermic thereafter
D. Solution process is endothermic.

Solubility curve of `Na_(2)SO_(4)`. `10H_(2)O` in water with temperature is given as
image
A. Solution process is exothermic
B. Solution proscess is exothermic til `34^(@)` C and endothermic after `34^(@)`
C. Solution process is endothermic till `34^(@)`C and exothermic thereafter
D. Solution process is endothermic.
Parabola
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1 Answer

  1. Correct Answer – C
    Solubility increases with temp. upto `34^(@)`C and then decreases.So the process is endothermic upto `34^(@)` C and exothermic thereafter.

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