For which reaction Delta S can be maximum if it is occuring at constan

1.	For which reaction Delta S can be maximum if it is occuring at constant volume ?
Answer» `N_(2(g)) + O_(2(g)) to 2NO_((g))` `CaCO_(3(s)) to CaO_((s)) + CO_(2(g))` `C_((s)) + O_(2(g)) to CO_(2(g))` `Mg_((s)) + (1)/(2) O_(2(g)) to MgO_((s))` ANSWER :B

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