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Explain why ammonia gas dissolved in methylbenzene does not turn red litmus paper blue.

Chemistry

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Huu hapa ni utatuzi wa swali la 18:

18. a)
Kiwanja kilichotolewa kina muundo wa R-O-R’\text{R-O-R'}, ambapo R na R' ni vikundi vya alkili. Muundo huu una sifa ya etha.

Homologous series: Etha

18. b)
Kiwanja kilichotolewa ni di-n-propyl etha (CH3CH2CH2−O−CH2CH2CH3\text{CH}_3\text{CH}_2\text{CH}_2-\text{O}-\text{CH}_2\text{CH}_2\text{CH}_3). Inaweza kutayarishwa kwa kutumia Williamson ether synthesis, ambayo inahitaji alkoxide na haloalkane.

  • Kiwanja cha kwanza: Sodium propoxide

    • Jina: Sodium propoxide
    • Muundo: HHH∣∣∣H−C−C−C−O−Na∣∣∣HHH\begin{array}{c} \text{H} \quad \text{H} \quad \text{H} \\ | \quad | \quad | \\ \text{H}-\text{C}-\text{C}-\text{C}-\text{O}-\text{Na} \\ | \quad | \quad | \\ \text{H} \quad \text{H} \quad \text{H} \end{array}
  • Kiwanja cha pili: 1-bromopropane

    • Jina: 1-bromopropane
    • Muundo: HHH∣∣∣H−C−C−C−Br∣∣∣HHH\begin{array}{c} \text{H} \quad \text{H} \quad \text{H} \\ | \quad | \quad | \\ \text{H}-\text{C}-\text{C}-\text{C}-\text{Br} \\ | \quad | \quad | \\ \text{H} \quad \text{H} \quad \text{H} \end{array}
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