180ml of hydrocarbon having a molecular weight 16 diffuses in 1.5 min. Under similar conditions time taken by 120ml of So, to diffuse is

180ml of hydrocarbon having a molecular weight 16 diffuses in 1.5 min.

1.	180ml of hydrocarbon having a molecular weight 16 diffuses in 1.5 min. Under similar conditions time taken by 120ml of So, to diffuse is
Answer» 2 min 1.5 min 1 min 75 min Solution :`(lambda_1)/(lambda_2) = SQRT((M_2)/(M_2)) , ((180/1.5))/((120/t)) = sqrt(64/16) = 2` `implies t = (120 XX 2)/(180) xx 1.5 = 2 ` min.