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Chemical formula for reaction of benzene with concentrated nitric acid
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(1) Chemical formula of biphenyl (2) In the series of organic matters, the carbon content percentage of the compound with the highest carbon content is about (3) If c-c in biphenyl is free to rotate, the dichloride substituents of biphenyl are (1) Chemical formula of diphenyl (2) In the series of organic matters, the carbon content percentage of the compound with the highest carbon content is about (3) If c-c in biphenyl is free to rotate, the dichloride substituents of biphenyl are
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- 14. Why is the chemical formula of benzene C6H6? A benzene molecule consists of six hydrogen atoms and six carbon atoms. The valence of hydrogen is +1, and the common valence of carbon is +2 and +4. How do they make the valence algebra 0?
- 15. The number of isomers of C9H12 homologues belonging to benzene is?
- 16. Please write down the structural formula of benzene homologues conforming to c9h12~ 8 Kinds ~
- 17. The homologues of C8H10 correspond to benzene have four isomers. Please write their structural formula The homologues of C8H10 correspond to benzene have four isomers. Please write their structural formulas
- 18. The homologue of benzene is an organic compound with only one benzene ring and then a ch2 atom group. Then why is the ring of toluene outside ch3 still its homologue
- 19. The excess iron powder was put into the copper sulfate solution, and after the reaction, the excess iron powder was filtered paper was The excess iron powder was put into the copper sulfate solution, and after the reaction, the excess iron powder was filtered, and the residual substance on the filter paper was
- 20. (Chemistry 1) After the excess iron powder is put into the copper sulfate solution containing sulfuric acid and fully reacted, the solution is filtered, After the excess iron powder is put into the copper sulfate solution containing sulfuric acid and fully reacted, the solution is filtered, and the mass of filter residue is equal to the mass of iron powder put in. What is the ratio of sulfuric acid and copper sulfate in the original mixed solution?