Chemistry, asked by anuragsingh54280, 6 months ago

anlaytical synthetic and other evidence in the derivation of sturucture​

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Answered by Vivek28r
5

Answer:

Determination of molecular weight percentage component derived of molecular formula C6H6. If it is a linear compound, it can have one triple bond

Explanation:

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Answered by shuchipatel06092004
0

Answer:

Detmn. Of M.Wt., percentage composn. derive. of molecular formula C6H6. If it is a linear compd, it can have one triple bond and two double bonds, if it is a ring compound ,-one ring with one triple and one double etc.. Chemical properties indicate neither of the above possible as the above indicate highly unsaturated which benzene is not. Ozonolysis under strong condition gave glyoxal CHO-CHO and no other products with -CH2 or CH2CHO or CH3– or CH3CO- etc. Indicating benzene has =CH-CH= ie., three such that too in a ring which is possible if it is a six memberrd ring similar to the hypothetical cyclohexatriene. I R and U V spectra indicayes that benzene has all the six C-C bond of almost equal length, the length being in between C=C and C-C, the molecule being planar, all the C, H atoms lie in a single plane. H NMR spectral indicates that all the H atoms appear highly deshielded. Chemical reactions indicator undergoes electrophilic subst. reacns. more easily than addition reactions and more stable than that expected of compounds with double bonds. All these results along with theoretical studies indicate that benzene can not be explained by a single structure but a hybrid of two Kekule and three Dewar structures.

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