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H3PO4 aq H2O l H2PO4- aq H3O aq H -13kJ at 298K... - JAMB Chemistry 2007 Question

H3PO4(aq) + H2O(l) ↔ H2PO4-(aq) + H3O+(aq)
ΔH = -13kJ at 298K
In the reaction above, an increase in temperature would
A
slow downthe reverse reaction
B
have no effect on the reaction
C
favour the reverse reaction
D
favour the forward reaction
correct option: c
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