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Question

Statement-1 : In (cyclobutadiene) all C-C bond lengths are equal.
Statement-2 : Cyclobutadiene is aromatic and the Π orbitals are orthogonal to each other.

The Assertion and Reason are given, you are required to choose any one of the following four responses.
A) Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C) The Assertion is correct but Reason is incorrect
D) Both Assertion and Reason are incorrect


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A
A
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B
B
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C
C
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D
D
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Solution

The correct option is D D
Cyclobutadiene is antiaromatic and the π orbitals are orthogonal to each other.In (cyclobutadiene) all C-C bond lengths are not equal. There is no resonance in cyclobutadiene as it is antiaromatic.
Both assertion and reason are incorrect. Hence, D is the correct option.

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