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A mixture of  and  in the molar ratio 16:1 is diffused through a pin hole for successive effusions three times to give a molar ratio 1:1 of diffused mixture. Which one are not correct if diffusion is made at same  and  in each operation?

  1. Eight operation are needed to get 1:1 molar ratio
  2. Rate of diffusion for after eight operations in 0.707
  3. Six operations are needed to get 2:1 molar ratio for  and  in diffusion mixture
  4. Rate of diffusion for and after six operations is 2.41

a)

I,II,III

b)

II,III

c)

I,III

d)

IV



Question ID - 102722 | SaraNextGen Top Answer

A mixture of  and  in the molar ratio 16:1 is diffused through a pin hole for successive effusions three times to give a molar ratio 1:1 of diffused mixture. Which one are not correct if diffusion is made at same  and  in each operation?

  1. Eight operation are needed to get 1:1 molar ratio
  2. Rate of diffusion for after eight operations in 0.707
  3. Six operations are needed to get 2:1 molar ratio for  and  in diffusion mixture
  4. Rate of diffusion for and after six operations is 2.41

a)

I,II,III

b)

II,III

c)

I,III

d)

IV

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

 where  and  are moles present initially

Or

 also

If  then

Rate of diffusion is i.e., 0.707 in each operation

127 votes


127