A) 4
B) 6
C) 2
D) 3
Correct Answer: A
Solution :
Molecular weight of caffeine = 194 u N present in one molecule of caffeine = 28.9% of \[L=\frac{1}{{{\omega }^{2}}C}\] Mass of one N atom = 14 m \[=\frac{1}{{{\left( 1000 \right)}^{2}}\times 10\times {{10}^{-6}}}\] 14 u = 1n atom \[=\frac{1}{10}H\] \[\therefore \]You need to login to perform this action.
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