JEE Main Chemistry question

The absolute enthalpy of neutralisation of the reaction MgO(s)+2HCl(aq) \rightarrow MgCl_2(aq)+H_2O(l) will be

Answer: (C)

Solution

is a weak(er), sparingly dissociating base compared to a strong alkali, so some of the heat released must first go into

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Question ID VK-134944