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Density of N(2) gas prepared from air is...

Density of `N_(2)` gas prepared from air is slightly higher than that of nitrogen prepared by chemical reaction from a compound of nitrogen because aerial nitrogen contains

A

Argon

B

`CO_(2)`

C

Some nitrogen molecules analogous to `O_(2)`

D

Greater amount of nitrogen molecules derived from `N^(15)` isotope.

Text Solution

Verified by Experts

The correct Answer is:
A
The density of nitrogen obtained from air (after the removal of `N_(2), CO_(2)`, moisture etc). Is higher than nitrogen obtained chemically. This is due to the presence of heavier argon in the aerial nitrogen.
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