10 grams of each \( \mathrm{O}_{2}, \mathrm{~N}_{2} \) and \( \math...

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10 grams of each \( \mathrm{O}_{2}, \mathrm{~N}_{2} \) and \( \mathrm{Cl}_{2} \) are kept in three
P bottles.

W
[molar mass of: \( \mathrm{N}_{2}=28 \mathrm{~g} / \mathrm{mol} ; \mathrm{O}_{2}=32 \mathrm{~g} / \mathrm{mol} \); \( \left.\mathrm{Cl}_{2}=71 \mathrm{~g} / \mathrm{mol}\right] \)
The correct order of arrangement of bottles containing decreasing number of Molecules.
(A) \( \mathrm{O}_{2}, \mathrm{~N}_{2}, \mathrm{Cl}_{2} \)
(B) \( \mathrm{Cl}_{2}, \mathrm{~N}_{2}, \mathrm{O}_{2} \)
(C) \( \mathrm{Cl}_{2}, \mathrm{O}_{2}, \mathrm{~N}_{2} \)
(D) \( \mathrm{N}_{2}, \mathrm{O}_{2}, \mathrm{Cl}_{2} \)
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