Which compound has the highest boiling point. 1- n-Pentane. 2-Isopentane. 3- Neopantane. 4- Isobutane
Answers
The boiling point of n-pentane is 36.1 degrees celsius.
The boiling point of isopentane is 27.8 degrees celsius.
The boiling point of neopentane is 9.5 degrees celsius.
The boiling point of isobutane is -11.7 degrees celsius.
So n-pentane has the highest boiling point.
Answer : The compound n-pentane has the highest boiling point.
Explanation :
The boiling point of simple long chain compound is higher than the branched chain compound because the surface area of the simple long chain compound will be more as compared to the branched chain compound. So, less temperature will be required for branched chain compound as compared to simple long chain compound.
That means more is the branching, lesser will be the boiling point and less is the branching, more will be the boiling point.
From the given compounds, Isopentane, Neopantane, Isobutane are the branched chain compound and n-pentane is the simple chain compound (non-branched). So, n-pentane compound has the highest boiling point.
Hence, the compound n-pentane has the highest boiling point.