Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion: p-dichlorobenzene is less soluble in organic solvents than the corresponding o-isomer. Reason: o-dichlorobenzene is polar while p-dichlorobenzene is notA) If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:.
B) If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:.
C) If Assertion: is true but Reason: is false.
D) If both Assertion: and Reason: are false.
Correct Answer: B
Solution :
p-dichlorobenzene is more symmetrical than o-isomer, so fits closely in the crystal lattice and hence, greater amount of energy is needed to break the crystal lattice. Thus p-isomer is less soluble than o-isomer.
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