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50 mL of hydrogen diffuse through a smal...

50 mL of hydrogen diffuse through a small hole from a vessel in 20 mintues time. Time taken for 40 ml of oxygen to diffuse out under similar conditions will be :

A

12 min.

B

64 min.

C

8 min.

D

32 min.

Text Solution

Verified by Experts

The correct Answer is:
b
`(r_(O_(2)))/(r_(H_(2)))= sqrt((d_(H_(2)))/(d_(O_(2))))`
`(40)/(t) xx 20/50 = sqrt((1)/(16)) = 1/4`
or `t = (40 xx 20 xx 4)/(50) = 64 mm`.
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