What is decreasing order of boiling points for the following compounds?

What is decreasing order of boiling points for the following compounds?
  1. (i) $>$ (ii) $>$ (iii)
  2. (ii) $>$ (iii) $>$ (i)
  3. (i) $>$ (iii) $>$ (ii)
  4. $($ iii $)>($ ii $)>($ i $)$

Solution

Boiling point of alkane $\propto$ Molecular mass and $\propto \frac{1}{\text { Branching }}$

Asked in: NEET 2016 (Phase 1)

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