A) 1 : 1
B) 2 : 3
C) 3 : 2
D) 1 : 3
Correct Answer: B
Solution :
The balanced equation is \[2{{C}_{2}}{{H}_{6}}+7{{O}_{2}}\to 4C{{O}_{2}}+6{{H}_{2}}O\]. Ratio of the coefficients of \[C{{O}_{2}}\] and \[{{H}_{2}}O\] is 4 : 6 or 2 : 3.
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