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  4. The correct order of boiling point is

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Q. The correct order of boiling point is

NTA AbhyasNTA Abhyas 2020Chemical Bonding and Molecular Structure

Solution:

Here option D is incorrect while rest are correct as follows

$\left(A\right)T_{2}>D_{2}>H_{2}$ [BP $ \propto $ mol. wt.]

$\left(B\right)$ n-pentane > neo-pentane [BP $ \propto $ VWf $ \propto $ contact area $ \propto \frac{1}{B r a n c h i n g}$ ]

$\left(C\right)Xe > Ar > He$ [BP $ \propto $ mol. wt.]

$\left(D\right)$ Solution