A) \[C{{H}_{2}}O\]
B) \[{{C}_{2}}{{H}_{5}}O\]
C) \[{{C}_{2}}{{H}_{2}}O\]
D) \[{{C}_{3}}{{H}_{6}}{{O}_{3}}\]
Correct Answer: D
Solution :
Mol. wt.\[=2\times \]vapour density \[=2\times 45=90\] Empirical formula weight \[=12+2+16=30\] \[\therefore \] \[n=\frac{mol.\text{ }wt.}{empirical\text{ }formula\text{ }wt.}\] \[=\frac{90}{30}=3\] \[\therefore \]Molecular formula of the compound \[={{(C{{H}_{2}}O)}_{3}}\] \[={{C}_{3}}{{H}_{6}}{{O}_{3}}\]
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