He and Ar are monoatomic gases and their atomic
weights are 4 and 40 respectively. Under similar
conditions He will diffuse through semi-permeable
membrane
(1) 3.16 times as fast as Ar
(2) 7.32 times as fast as Ar
(3) 1.58 times as fast as Ar
(4) 10 times as fast as Ar
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Answer:
(4) 10 times as. fast as Ar
due to it's position in period table....helium placed at the top of the Nobel gas and its has less number of higher energy state
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