1.

The absolute enthalphy of neutralisation of the reaction \[MgO(s)+2HCl(aq)\to MgC{{l}_{2}}(aq)+{{H}_{2}}O(l)\]will be [CBSE PMT 2005]

A.                 Less than \[-57.33\ kJ\ mo{{l}^{-1}}\]
B.                 \[-57.33\ kJ\ mo{{l}^{-1}}\]
C.                 Greater than \[-57.33\ kJ\ mo{{l}^{-1}}\]
D.                 \[57.33\ kJ\ mo{{l}^{-1}}\]
Answer» B.                 \[-57.33\ kJ\ mo{{l}^{-1}}\]


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