Given the equilibrium system, NH4Cl(s)⇌NH+4(aq.)+Cl−(aq.);(ΔHo=+3.5kcal/mol). What change will shift the equilibrium to the right?
A
Decreasing the temperature
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B
Increasing the temperature
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C
Dissolving NaCl crystals in equilibrium mixture
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D
Dissolving NH4NO3 crystals in the equilibrium mixture
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Solution
The correct option is B Increasing the temperature The given reaction is :-
NH4Cl(s)⇌NH+4(aq)+Cl−(aq)
△H=+3.5Kcal/mol.
Since the given reaction is endothermic reaction so by le chatelier's principle with the increase of temperature the reaction proceeds in forward direction.