At same temperature and pressure, the rate of diffusion of gas ' X ' is 3 3 times that of a gaseous…

At same temperature and pressure, the rate of diffusion of gas 'X' is 33 times that of a gaseous hydrocarbon of molar mass 54 g mol-1. The molar mass of X in g mol-1 is
  1. 16
  2. 2
  3. 32
  4. 28

Solution

Rate of diffusion of gas X(rx)=33 rate of diffusion gaseous hydrocarbon(rgas)

rxrg=33=MgMx

MgMx=27

Mx =Mg27=5427 =2 g mol-1

Asked in: AP EAMCET 2018 (25 Apr Shift 1)

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