n-Butane is produced by the monobromination of ethane followed by word reaction .Calculate the volume of ethane at NTP to produce 55g n-butane if the bromination takes place with 90% yield and worth reaction with 85% yield.

Question

$(a)\;56.3l\qquad(b)\;52.4l\qquad(c)\;55.53l\qquad(d)\;54l$