Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन
JEE Main & Advanced
Chemistry
Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन
Question Bank
Chemical analysis of organic compounds
question_answer
In Victor Mayer?s method 0.2 gm of an organic substance displaced 56 ml of air at STP the molecular weight of the compound [Kerala (Med.) 2003]
A)56
B)112
C)80
D)28
Correct Answer:
C
Solution :
Molecular mass \[n=\frac{M.wt}{E.F.wt}=\frac{146}{73}=2\] \[=\frac{0.2}{56}\times 22400=80\].