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50 mL of H2 gas diffuses through a small hole from a vessel in 20 min. Time taken by 40 mL of O2 gas to diffuse under similar conditions will be

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An Intiative by Sri Chaitanya

a

12 min

b

64 min

c

8 min

d

32 min

answer is B.

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Detailed Solution

rH2=5020=2.5 rO2=40t⇒rH2rO2=2.540/t=MO2MH2=322=4 2.5t=160 ∴ t=64min

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