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中级无机化学翻译().docVIP

中级无机化学翻译().doc

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中级无机化学翻译()

第一章 1.4指出下列物质在液氨中的酸碱行为(写出反应方程式): CH3CO2H , NH2CONH2 , CH3CH2OH , NaH 1.4 Pointed out that the following substances in acid-base behavior in liquid ammonia(write reaction equation): CH3CO2H , NH2CONH2 , CH3CH2OH , NaH 参考答案:CH3CO2H为强酸 CH3COOH+NH3→CH3COO--+NH4+ NH2CONH2为弱酸 NH2CONH2+NH3≈NH4+ +NH2CONH- CH3CH2OH为弱酸 CH3CH2OH+NH3≈NH4++CH3CH2O- NaH为强碱 NaH+NH3→NH2-+H2↑ 1.4 指出下列物质在液氨中的酸碱行为(写出反应方程式): 1.4 Points out the following material in the soda acid liquid ammonia behavior (write a response equation) CH3COOH,H2NCONH2,CH3CH2OH,NaH 解:CH3COOH strong acid CH3COOH+NH3=CH3COOˉ+NH4+ H2NCONH2 weak acid H2NCONH2+NH3=NH4++NH2CONHˉ CH3CH2OH weak acid CH3CH2OH+NH3=NH4++CH3CH2Oˉ NaH strong soda Hˉ+NH3=NH2ˉ+H2 1.5指出下列物质在100%H2SO4中的酸碱行为(写出反应方程式): HNO3 , CH3CO2H , HClO4 , C2H5OH , H2NCONH2 , SO3 1.5 Pointed out that the following substances in acid-base behavior in 100%H2SO4(write reaction equation): HNO3 , CH3CO2H , HClO4 , C2H5OH , H2NCONH2 , SO3 参考答案:HNO3为碱 HNO3 + 2H2SO4→2HSO4-+NO2++ H3O+ CH3CO2H为碱 CH3COOH + H2SO4→HSO4-+ CH3COOH2+ HClO4为酸 HClO4+ H2SO4≈H3SO4++ CH3COOH2+ C2H5OH为碱 C2H5OH+ 2H2SO4→CH3CH2HSO4+ HSO4-+ H3O+ H2NCONH2为碱 H2NCONH2+ H2SO4→HSO4-+ H2NCONH3+ SO3为碱 SO3+ H2SO4≈H2S2O7 H2SO4 +H2S2O7≈ H3SO4++ HS2O7- 1.8 Please write down the chemical equation of the following reactions. (1) Potassium amide and aniline have reactions in liquid ammonia. (2) Inject hydrochloric acid into concentrated sulfuric acid and concentrated nitric acid solution to get NO2Cl. (3) Boric acid is dissolved in sulfuric acid. 1.9 In liquid ammonia,what is the concentration of ammonium ion? 1.9 in the liquid ammonia, what is the concentration of ammonium ion ? Answer: 2NH3 = NH4 ++ NH2- K=1.0*10-33 [NH4 +]=K1/2=3.16*10-7 ( MOl/L) 1.12 estimate rough the value of PKa about each of the Following acids? Answer: 1.phosphite p

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