1.

Which one of the following is the correct sequence in increasing order of molecular weight of the hydrocarbon ?

A. Methane, ethane, propane and butane
B. Propane, butane, ethane and methane
C. Butane, ethane, propane and methane
D. Butane, propane, ethane and methane
Answer» B. Propane, butane, ethane and methane


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