Chemistry
Arrange - Ethane, methane, ethene, ethyne - in increasing order of molecular weight [H = 1, C = 12]
Organic Chemistry
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Answer
Ethane [C2H6] : M.W. = 2[12] + 6[1] = 30
Methane [CH4] : M.W. = 12 + 4[1] = 16
Ethene [C2H4] : M.W. = 2[12] + 4[1] = 28
Ethyne [C2H2] : M.W. = 2[12] + 2[1] = 26
Hence, increasing order of molecular weight :
Methane < Ethyne < Ethene < Ethane
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