question_answer

If the four tubes of a car are filled to the same pressure with \[{{N}_{2}},\,{{O}_{2}},\,{{H}_{2}}\] and Ne separately, then which one will be filled first              [Manipal PMT 2001]

A)                 \[{{N}_{2}}\]     

B)                 \[{{O}_{2}}\]

C)                 \[{{H}_{2}}\]      

D)                 Ne