Statement I : Melting point of n-pentane > Isopentane > NeopentaneStatement II : As branching increases London dispersion forces become stronger
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a
Statement I and II are correct
b
Statement I is correct and Statement II is incorrect
c
Statement I is incorrect and statement II is correct
d
Both statement I and II are incorrect
answer is D.
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Detailed Solution
Melting point is decided by the stability of the Lattice. Highly symmetrical hydrocarbons possess greater melting point.London dispersion forces α Polarisability α Size α Molar Mass α Surface area ∝1 Branching