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: A compound with delocalized electrons is more stable than that compound would be if all its electrons were localised. Reason: The extra stability, a compound gains as a result of having delocalised electrons, is called delocalisation energy.A) 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 :
Delocalisation of electrons provides more stability to the compounds. The extra stability which is acquired by a compound as a result of resonance (delocalisation of electrons) is called resonance energy or delocalisation energy. Hence, statement 1 and II both are correct but statement II is not the correct explanation of I.
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