A) 2 u
B) 14 u
C) u / 2
D) 4 u
Correct Answer: A
Solution :
\[rms({{N}_{2}})=\sqrt{\frac{3RT}{{{M}_{{{N}_{2}}}}}}=\sqrt{\frac{3RT}{28}}=U\] ?(1) After dissociation \[rms(N)=\sqrt{\frac{3R(2T)}{{{M}_{N}}}}=\sqrt{\frac{3R(2T)}{14}}=2u\]You need to login to perform this action.
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