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Which of the following noble gases can diffuse through rubber?

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in Chemistry – Class 12 by (188k points)
Which of the following noble gases can diffuse through rubber?

(a) Helium

(b) Xenon

(c) Argon

(d) Krypton

The question was posed to me in homework.

I'd like to ask this question from P-Block in division P-Block Elements of Chemistry – Class 12

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Right answer is (a) Helium

To elaborate: Hydrogen is the lightest and the smallest noble gas, having an atomic number of 2. Owing to its small size and inert nature, it has the unusual property of diffusing through most commonly used laboratory materials such as rubber, glass or plastic.

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