1.

Assertion: p-dichloroebenzene is less soluble in organic solvents than the corresponding o-isomer. Reason: o-dichlorobenzene is polar while p-dichlorobenzene is not.

Answer»

If both assertion and REASON are CORRECT and reason is correct explanation for assertion
If both assertion and reason are correct but reason is not correct explanation for assertion.
If assertion is correct but reason is incorrect.
if both assertion and reason are incorrect.

Solution :Correct explanation. The structure of p-dichlorobenzene is more symmetrical than that of ortho ISOMER. Being a solid, its crystal lattice is more stable and THEREFORE GREATER energy is needed to break the lattice. Therefore it is less soluble.


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