Question

Which molecule contains a total of six carbon atoms? heptyne 3-methyl-1-pentene 2-methyl-propane 3-ethyl-hexane

Answer 1

Answer : The correct option is, 3-methyl-1-pentene

Explanation :

As per given options,

Heptyne : The formula of this compound is, $C_7H_{12}$. In this compound there are 7 number of carbon atoms and 12 number of hydrogen atoms.

3-methyl-1-pentene : The formula of this compound is, $C_6H_{13}$. In this compound there are 6 number of carbon atoms and 13 number of hydrogen atoms.

2-methyl-propane : The formula of this compound is, $C_4H_{10}$. In this compound there are 4 number of carbon atoms and 10 number of hydrogen atoms.

3-ethyl-hexane : The formula of this compound is, $C_8H_{18}$. In this compound there are 8 number of carbon atoms and 18 number of hydrogen atoms.

Hence, 3-methyl-1-pentene molecule contains a total of six carbon atoms.

Answer 2

3-methyl-1-pentene

CH₂=CH-CH-CH₂-CH₃
                I
               CH₃