Q. One mole each of CaC2, Al4C3 and Mg2C3 react with H2O in separate open flasks at 25oC. Numerical value of the work done by the system is in the order:
Given reactions:
CaC2(s)+2H2O(l)→Ca(OH)2(s)+C2H2(g)
Al4C3(s)+12H2O(l)→4Al(OH)3(s)+3CH4(g)
Mg2C3(s)+4H2O(l)→2Mg(OH)2(s)+CH3−C≡CH(g)