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 \[\times \] Vap. Density \[=2\times 45=90\] Empirical formula weight \[=12+2+16=30\] \[\therefore \,\,\,n=\frac{\text{mol}\text{. wt}\text{.}}{\text{empirical formula wt}\text{.}}\] \[=\frac{90}{30}=3\] \[\therefore \] Molecular formula of the compounds \[={{(C{{H}_{2}}O)}_{3}}\]\[={{C}_{3}}{{H}_{6}}{{O}_{3}}\]
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