Consider the following reactions: (i) H ^+_ (aq) + OH ^-_ (aq) = H _2 O _ (l) , H = -X_1 kJ mol ^ -1 (ii) H _...

Question

Consider the following reactions: (i) H ^+_ (aq) + OH ^-_ (aq) = H _2 O _ (l) , H = -X_1 kJ mol ^ -1 (ii) H _ 2(g) + 1 2 O _ 2(g) = H _2 O _ (l) , H = -X_2 kJ mol ^ -1 (iii) CO _ 2(g) + H _ 2(g) = CO _ (g) + H _2 O _ (l) , H = -X_3 kJ mol ^ -1 (iv) C _2 H _ 2(g) + 5 2 O _ 2(g) = 2 CO _ 2(g) + H _2 O _ (l) , H = +X_4 kJ mol ^ -1 Enthalpy of formation of H _2 O _ (l) is

Accepted Answer

(4)

NEET 2007 Chemistry question

Solution

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