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Q.

The correct statement (s) among the following is / are:

A. n-pentane has lesser melting point than the neopentane.
B. The rate of reaction of halogen with a given alkane is F2>Cl2>Br2>I2
C. Rate of replacement of hydrogen in alkanes is : 30>20>10 (in halogenation)
D. Melting point of propane is higher than that of ethane

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a

A, B and C

b

A and D 

c

A, C and D 

d

B, C and D

answer is A.

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Detailed Solution

As branching increases, surface area in contact decreases so, boiling point decreases.  

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