In each of the following group of compounds, identify (using the corresponding l

Question

In each of the following group of compounds, identify (using the corresponding lowercase Roman numeral) the one with the:
For alkane names with more than 10 carbons click here.

a) heptane(i), 3-methylhexane(ii), nonane(iii)

1)largest heat of combustion
2)smallest heat of combustion
3)highest boiling point

b) icosane(i), pentacontane(ii), tridecane(iii)

largest heat of combustion
smallest heat of combustion
lowest boiling point

c) 2,3,4-trimethylhexane(i), nonane(ii), 3,4-dimethylheptane(iii)

largest heat of combustion
smallest heat of combustion
lowest boiling point

Explanation / Answer

a) 1) (iii)

    2) (ii)

    3) (iii)

b) 1) (ii)

    2) (iii)

    3) (i)

c) 1) (ii)

    2) (i)

    3) (i)

Alkane with more surface area have high boiling point

Alkane with more CH2 units have high heat of combustion

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