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# At constant temperature and pressure which one of the following statements is correct for the reaction? $CO_{(g)} +\large\frac{1}{2}$$O_2 (g) \longrightarrow CO_2(g)$

$(a)\;\Delta H =\Delta E \\(b)\;\Delta H < \Delta E \\(c)\;\Delta H > \Delta E \\(d)\;\Delta H\;is\; independent\; physical\; state\; of\; reactant$

$CO_{(g)} +\large\frac{1}{2}O_2 (g) \longrightarrow CO_2(g)$
The correct reaction is : $\Delta H < \Delta E$
Hence b is the correct answer.