The following two drawings are resonance structures of one compound But the foll

Question

The following two drawings are resonance structures of one compound But the following two drawings are not resonance structures Not resonance structures They are, in fact, two different compounds. Choose the correct explanation(s). Select all that apply. Benzene does not have three C-C single bond and three C-C double bonds. In fact, all six C-C bonds of the ring have the same bond order and same length Benzene have three C-C single bond and three C-C double bonds. All the six C-C bonds of the ring does not have the same bond order and same length. cyclooctatetraene has four isolated bonds and the molecule adopts tub shape to avoid aromaticity. cyclooctatetraene has four isolated bonds and the molecule adopts tub shape to avoid anti-aromaticity. In cyclooctatetraene, some of the C-C bonds are double bonds and some of the C-C bonds are single bonds. OCyclooctatetraene does not have four C-C single bond and four C-C double bonds. In fact, all the eight bonds of the ring have the same bond order and same length. Therefore, the two methyl groups can be seperated by a C-C single bond or a C=C double bond and these two possibilities represent different compounds. Therefore, the two methyl groups can be seperated by a C-C single bond or a C=C double bond and these two possibilities represent resonance structures.

Explanation / Answer

Option (b) is correct ... For C-C bond Bond Order is 0.5 and for C=C it is 1.5 hence bond lengths also different

Option (c) is correct .... Because it adopts tub shape and is non aromatic and avoids aromaticity.

Option (e) is correct.... Bond length of single bonds and double bonds is different.

Option (g) is correct.

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