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XIIMDCAT Chemistry Test#Benzene & Aromatic Compounds#Benzene Structure and Properties
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Consider these statements about benzene: 1. All C–C bonds in benzene have equal length. 2. Benzene gives only one disubstituted product. 3. Petroleum and coal tar are important sources of benzene. 4. In the arenium ion, the carbon bonded to the electrophile becomes sp³ hybridized. 5. Benzene contains localized π bonds. Which set contains only correct statements?

Verified Answer & Explanation⌄

Correct Answer: C) 1, 3 and 4 only

Concept Explanation

Benzene has equal C–C bond lengths because its π electrons are delocalized. It gives three disubstituted isomers, so statement 2 is false. In an arenium ion, the carbon bonded to the electrophile becomes temporarily sp³ hybridized. Benzene does not contain localized π bonds. Therefore, statements 1, 3 and 4 are correct.

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