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One mole of alpha emitter of half life e...

One mole of `alpha` emitter of half life equal to `2` days was placed in a sealed tube for `4` days at `S.T.P` volume of helium collector is

A

`22.4 lit`

B

`16.8 lit`

C

`11.2 lit`

D

`5.6 lit`

Text Solution

Verified by Experts

The correct Answer is:
B
`W=(W_(0))/(2^(n)), n (t)/(t_(1//2))`. initially value of Helium `22.4` lits no of half lives `=2`
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