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Question

Question: The absolute enthalphy of neutralisation of the reaction \((dG)\) will be....

The absolute enthalphy of neutralisation of the reaction (dG)(dG) will be.

A

Less than (dS)(dS)

B

(dS)V,E<0,(dG)T,P<0(dS)_{V,E} < 0,(dG)_{T,P} < 0

C

Greater than (dS)V,E>0,(dG)T,P<0(dS)_{V,E} > 0,(dG)_{T,P} < 0

D

(dS)V,E=0,(dG)T,P=0(dS)_{V,E} = 0,(dG)_{T,P} = 0

Answer

Less than (dS)(dS)

Explanation

Solution

Heat of neutralisation will be less than 2CO2(g)+H2O(l);ΔGo=1234kJ2CO_{2}(g) + H_{2}O(l);\Delta G^{o} = - 1234kJbecause some amount of this energy will be required for the dissociation of weak base C(s)+O2(g)CO2(g)ΔGo=394kJC(s) + O_{2}(g) \rightarrow CO_{2}(g)\Delta G^{o} = - 394kJ