湖北省2019届八校第一次联考理综化学试题

1/72019H1N14O16Na-23Al27S32Cl35.5K39Fe56Cu64I1277ABCD8ABNaHCO3Na2CO3CCl2Br2DSO2Br2pH9A3Fe(s)4H2O(g)Fe3O4(s)4H2(g)BCD10201811GeneralConferenceonWeightsandMeasures2/7CGPM2616.022140761023mol-12019520NAA22.4L()10NAB0.4molNH30.6molO2NO0.4NAC27g1molL1NaOH3NADNa2O22gNA11AOCB0.29eVC0.42eVD12WMXYZW3XYZAX2W2X2W1:2BMZMZCXZWXZWDMWMW13AH2O2Fe(NO3)2H2O2Fe3+BFeSO4KSCNKSCNFeSO4O2CCu(NO3)2DNaAlO2NaHCO3AlO2-H+CO32-3/72614FeSO4(NH4)2SO4[(NH4)2Fe(SO4)26H2O392]10%5~10min2gFe10mL3molL-1H2SO4FeSO47080pHH2SPH3CuSO4H2S________________________________________________________________________________________(NH4)2Fe(SO4)26H2OFeSO4(NH4)2SO4708050mLpH1ACl2Fe2+H+NH4+Cl-SO42-BKSCNK+NH4+Fe3+SO42-SCN-CNaOHNa+Fe2+NH4+SO42-OH-DNaClONaOHNa+SO42-Cl-ClO-OH-ag500mL25.00mLcmol?L-1KMnO42/mL25.5225.0224.98(ac)SO42-0.4g70mL_______________________________________________________________________________________________________________________________(2molL1HClBaCl2AgNO3)1mol/LH2SO4CuSO4Fe3mol/LH2SO44/72714201811611Al2(SO4)3H2SO4()CuSO4ANaOHBCuAlO2Al(OH)3Cu(OH)245080H2SO4________________()AHNO3AHNO3BBNaOHNaOHCuOAl2O3CuAlO2CuSO4FeS2H2SO4Cu2SFeSO4H2O()ACuSO4FeS2BpHC2mol3molCuSO4DFeS230%2815Fe2+Fe3+FeSO3Fe(OH)3Fe3+Na2SO3FeCl3Na2SO3FeCl3Na2SO3FeCl3Fe(OH)32mL1molL-1FeCl31molL-1Na2SO32mL(W)1mol/LNa2SO31mol/LFeCl35/7WFe2+WFe2+WSO42-1mLW5BaCl2Fe3+SO32-SH2SO3SO32-HSO3-10mL0.10molL-1Na2SO3FeCl310mL0.10molL-1I20.10molL-1Na2S2O3I2+2S2O32-=2I-+S4O62-18.43mLNa2S2O3SH2SO3SO32-HSO3-35(15)KIO3K__________________KCrKCr_____________________________________________K+Clr(K+)r(Cl)_______________________KIO3________________________W5BaCl26/7AIBrIClI2O5BI(NO3)3I(ClO4)3H2OI3+CKII3-DI4O9KIO3anmKIOKO_____NAKIO3__________()gcm3IOKKIO3K000O1/21/20KIO3II000K_________36(15)FGDAABEF_____________________________________C_____________________________________E________________________________7/778910111213AABBCBD2614CuSO4+H2S=CuS+H2SO4(3)Fe2Fe3(2)D(3)(3)2molL1HClBaCl2(1)(1)AgNO3(1)32714H2SO4(2)3Ag+4H++NO3-=3Ag+NO+2H2O3Al(OH)3CuO21Al(OH)3OH=AlO22H2O2424O23O21C22815Na2SO3FeCl3(2)(2)2Fe3++SO32-+H2O=2Fe2++SO42-+2H+2Fe3++3SO32-+H2O=2Fe2++SO42-+2HSO3-(2)21)3SO32-+2Fe3++6H2O2Fe(OH)3()+3H2SO33SO32-+2Fe3++3H2O2Fe(OH)3()+3SO23SO32-+Fe3++3H2OFe(OH)3()+3HSO3-(2=1SO2)(1)SO32-HSO3-H2SO3S(2Cl-1)7.9%0.079(2)35(15)N(1)(1)KCr(2)K+(2)(1)sp3(1)BD(21)12(1)371031612739aNA3710214aNA(2)212121(2)36(15)2112--2nCH3CH=CH23CH3COCHO+2Ag(NH3)2OHCH3COCOONH4+2Ag+3NH3+H2O3HOCH2CH(OH)CHO3