Q.

Assertion: Alkyl halides are soluble in organic solvents.

Reason: p-dichlorobenzene possesses low melting point. 

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a

If both assertion and reason are true but reason is not the correct explanation of the assertion. 

b

If  both assertion and reason are true and the reason is the correct explanation of the assertion

c

If the assertion and reason both are false. 

d

 If assertion is true but reason is false

answer is C.

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Detailed Solution

Alkyl halides are polar covalent compounds and considering the principle of solubility, like dissolves like, alkyl halides are soluble in organic solvents.

p - dichlorobenzene has a symmetrical nature and symmetry has an immense effect on the melting point. Symmetrical molecules in crystalline form are known to have higher melting points because they perfectly accommodate in lattice by leaving fewer space.

Molecules of p-dichlorobenzene are closely packed, as a result, p - dichlorobenzene has a high melting point.

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