A: Resonating structures should have the same number of unpaired electrons.

R: The energy content of all resonating structures is the same.

1. Both Assertion & Reason are true and the reason is the correct explanation of the assertion.

2. Both Assertion & Reason are true but the reason is not the correct explanation of the assertion.

3. Assertion is a true statement but Reason is false.

4. Both Assertion and Reason are false statements.

Subtopic: Electron Displacement Effects |

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Q379:

Assertion (A):	Cyclopentadienyl anion is much more stable than the allyl anion.
Reason (R):	Cyclopentadienyl anion is aromatic while allyl anion is only resonance stabilized.

1.	Both (A) and (R) are True and (R) correctly explains (A)
2.	Both (A) and (R) are True but (R) does not correctly explain (A)
3.	(A) is True but (R) is False
4.	Both (A) and (R) are False

Subtopic: Aromaticity & Polarity |

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Q380:

Assertion (A):	Benzene and naphthalene are aromatic hydrocarbons.
Reason (R):	Benzene and naphthalene contain the same number of delocalized π electrons.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is a True but (R) is False.
4.	Both (A) and (R) are False.

Subtopic: Aromaticity & Polarity |

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Q381:

A: Alkyl groups show +l effect.

R: Halogens are -l and +R groups.

1. Both Assertion & Reason are true and the reason is the correct explanation of the assertion.

2. Both Assertion & Reason are true but the reason is not the correct explanation of the assertion.

3. Assertion is a true statement but Reason is false.

4. Both Assertion and Reason are false statements.

Subtopic: Electron Displacement Effects |

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Q382:

Assertion (A):	2,3-Dimethyl-2-butene is the most stable alkene due to 12- $α$ hydrogen atoms.
Reason (R):	H' is more electronegative than carbon.

In light of the above statements, choose the correct answer from the options given below:

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False
4.	Both (A) and (R) are False.

Subtopic: Electron Displacement Effects |

80%

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Q383:

Given below two statements:

Assertion(A):	A compound having a non-superimposable mirror image is optically active.
Reason(R):	Optically active compound must contain chiral carbon.

1.	Both (A) and (R) are True and (R) correctly explains (A).
2.	Both (A) and (R) are True but (R) does not correctly explain (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.