In an open beaker held at $27^{\circ}C$ and $1\; atm$ pressure containing dilute sulphuric acid, $100\; g$ zinc were added. The work done by the liberated gas is _______

Question

$(a)\;3.84\;Kj \\(b)\; 2.96\;Kj \\(c)\;1.34\;Kj \\(d)\;5.2\;Kj$