Question

At what temperature O2 will have the same density
as N2 at 0°C, assuming pressure remains
constant?
(1) 39°C
(2) 39K
(3) 273 K
(4) 312°C​

Answer 1

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OPTION:-(c)

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Answer 2

Let N2 be 1 and O2 be 2. Hence at 39 ℃, O2 will have same density as that of N2 at 0 ℃.