1.0 mol of monoatomic ideal gas is expanded from state 1 to state 2 as shown in the figure. The magnitude of the work done for the expansion of gas from state 1 to state 2 at 300 K is ____________ J. (Nearest integer)

(Given : R = 8.3 J K^$$-$$1 mol^$$-$$1, ln10 = 2.3, log2 = 0.30)

Geraniol, a volatile organic compound, is a component of rose oil. The density of the vapour is 0.46 gL^$$-$$1 at 257$$^\circ$$C and 100 mm Hg. The molar mass of geraniol is ____________ g mol^$$-$$1. (Nearest Integer)

[Given : R = 0.082 L atm K^$$-$$1 mol^$$-$$1]

100 g of an ideal gas is kept in a cylinder of 416 L volume at 27$$^\circ$$C under 1.5 bar pressure. The molar mass of the gas is __________ g mol^$$-$$1. (Nearest integer)

(Given : R = 0.083 L bar K^$$-$$1 mol^$$-$$1)

On complete combustion 0.30 g of an organic compound gave 0.20 g of carbon dioxide and 0.10 g of water. The percentage of carbon in the given organic compound is _____________. (Nearest integer)