62246711 pemisahan anion dan kation

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i Pengantar Assalamualaikum Wr. Wb Puji syukur kehadirat Tuhan Yang Maha Esa karena atas rahmat dan karunia-Nya lah kamidapatmenyelesaikanmakalahini.Makalahinidisusununtukmemenuhipersyaratan ujian semester gasal dalam mata diklat Praktikum Kimia Terpadu 2. Makalah ini berisi materi mengenai pemisahan anion dalam analisis kualitatif. Kamijugainginmengucapkanterimakasihkepadaparapembimbingmatadiklat PraktikumKimiaTerpadu-2sertaberbagaipihakyangtelahmembantukamidalamproses penyelesaian makalah ini. Kami berharap makalah ini dapat bermanfaat bagi siapa saja yang membacanya. Wassalamualaikum Wr. Wb., Bogor, Mei 2011 Penyusun Kata ii Daftar Isi Pengantar..................................................................................................................................... i Daftar Isi .................................................................................................................................... ii SULFIDA ................................................................................................................................... 3 Kelarutan ................................................................................................................................ 4 Reaksi Anion Khlorida dengan Berbagai Kation................................................................... 5 Asam Khlorida atau Asam Sulfat encer ............................................................................... 13 Perak Nitrat .......................................................................................................................... 14 Timbal Asetat ....................................................................................................................... 14 Barium Khlorida .................................................................................................................. 14 Perak .................................................................................................................................... 14 Natrium Nitroprusida (Na2[Fe(CN)5NO]) ........................................................................... 15 Uji Biru Metilena ................................................................................................................. 15 Uji Reaksi Katalisis dari Iod-Azida ..................................................................................... 16 KHLORIDA ............................................................................................................................. 18 Kelarutan .............................................................................................................................. 19 Asam Sulfat Pekat ................................................................................................................ 21 Mangan Dioksida dan Asam Sulfat Pekat ........................................................................... 21 Perak Nitrat .......................................................................................................................... 21 Timbal Asetat ....................................................................................................................... 22 Kalium Diktromat dan Asam Sulfat .................................................................................... 22 (Uji Kromil Khlorida) .......................................................................................................... 22 Bromida.................................................................................................................................... 26 Kelarutan .............................................................................................................................. 27 iii Asam Sulfat Pekat ................................................................................................................ 28 Mangan Dioksida dan Asam Sulfat Pekat ........................................................................... 28 Perak Nitrat .......................................................................................................................... 28 Air Klor ................................................................................................................................ 29 Kalium Dikhromat dan Asam Sulfat Pekat .......................................................................... 29 Asam Nitrat .......................................................................................................................... 29 Uji Fluoresein....................................................................................................................... 30 Uji Fuksin............................................................................................................................. 31 (atas suatu Magenta) ............................................................................................................ 31 IODIDA ................................................................................................................................... 33 Kelarutan .............................................................................................................................. 35 Asam Sulfat Pekat ................................................................................................................ 35 Perak Nitrat .......................................................................................................................... 35 Timbal Asetat ....................................................................................................................... 36 Air Khlor .............................................................................................................................. 36 Kalium Dikromat dan Asam Sulfat Pekat ............................................................................ 36 Natrium Nitrit....................................................................................................................... 36 Tembaga Sulfat .................................................................................................................... 37 Merkurium (II) Khlorida ...................................................................................................... 37 Larutan Kanji ....................................................................................................................... 37 Uji Reduksi Katalitik Garam Serium ................................................................................... 38 Uji Paladium (II) Khlorida ................................................................................................... 38 Bagan Pemisahan ..................................................................................................................... 39 Proses Awal. ........................................................................................................................ 41 Uji Golongan Cl-. ................................................................................................................. 41 Pustaka ..................................................................................................................................... 44 SULFAT .................................................................................................................................. 47 Kelarutan .............................................................................................................................. 48 Barium Khlorida .................................................................................................................. 51 Timbal Asetat ....................................................................................................................... 52 Perak Nitrat .......................................................................................................................... 53 Uji Natrium Rodizonat ......................................................................................................... 53 Uji Kalium Permanganat Barium Sulfat ........................................................................... 54 iv Merkurium (II) Nitrat ........................................................................................................... 55 Benzidina HidroKhlorida ..................................................................................................... 55 Bagan Pemisahan ..................................................................................................................... 56 Proses Awal. ........................................................................................................................ 58 Uji Golongan SO42--. ............................................................................................................ 58 Pustaka ..................................................................................................................................... 59 1 PEMISAHAN ANION GOLONGAN KHLORIDA 2 Diuapkan, dipusingkan Saringan diencerkan + HNO3 + Fe(NO3) + CCL4 , Dikocok + Na2CO3 Dididihkan lalu dipusingkan Air pencuci + air saringan dibagi 3 porsi + NH4OH + (NH4)2S Dipusingkan Anion-anion Gol. Cl- dan Gol. SO42- Porsi APorsi CPorsi B Untuk uji Gol. SO42- Untuk uji Gol. Cl-Cadangan + Pb(NO3)2 Dikocok lalu dipusingkan PbCl2 , Pb Br2 , PbI2 PbS Hitam ada S2- dipisahkan + HNO3 + AgNO3 Dididihkan lalu dipusingkan AgCl, AgBr, AgI Saringan NH4Cl, NH4Br, NH4I Ag2S Dibuang Larutan Air Larutan CCl4 + HNO3 +KMnO4& CCl4 Endapan putih ada Cl- (1) (2) Dididihkan dalam cawan15 menit + KMnO4 + NaNO2 + AgNO3 Dikumpulkan dalam botol sisa Warnakuningsindur ada Br- 3 SULFIDA Kelarutan ReaksiAnionSulfidadenganBerbagai Kation Asam Khlorida atau Asam Sulfat Encer Perak Nitrat Timbal Asetat Barium Khlorida Perak Natrium Nitroprusida Uji Biru Metilena Uji Reaksi Katalisis dari Iod-Azida Anion 4 Hidrogensulfidamemilikiberatj