Q.

The gases respectively absorbed by alkaline pyrogallol and terpentine oil is

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a

O3, CH4

b

SO2, CH4

c

O2 ,O3

d

N2O, O3

answer is C.

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Detailed Solution

Pale blue gas (O3) with characteristic strong smell slightly soluble in water but more soluble in turpentine oil or glacial acetic acidAlkaline pyrogallol solution turns brown when oxygen is passed through it.
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