Identify the gas which is readily adsorbed by activated charcoal

Identify The Gas Which Is Readily Adsorbed By Activated Charcoal Chemistry Question

Identify the gas which is readily adsorbed by activated charcoal

Options

(a) N₂
(b) SO₂
(c) H₂
(d) O₂

Correct Answer:

SO₂

Explanation:

In general, more easily liquefiable gases ( i.e. higher critical temperatures) are readily adsorbed as van der Waal’s forces are stronger near the critical temperatures. Thus, 1 g of activated charcoal adsorbs 380 ml of sulphur dioxide (critical temperature 157⁰C). 16 ml of methane (critical temperature – 83⁰C and 4.5 ml of hydrogen(critical temperature – 240⁰C.

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Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)

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