Unsur Golongan IA, IIA, VIIA, VIIIA, Periode 3, Transisi Periode 4 & Lat Soal + Kunci Jawaban
Unsur kimia transisi periode IV
-
Upload
baiq-isti-hijriani -
Category
Documents
-
view
3.974 -
download
13
Transcript of Unsur kimia transisi periode IV
![Page 1: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/1.jpg)
![Page 2: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/2.jpg)
Unsur Unsur Transisi Periode IV
Oleh :1. Baiq Isti Hijriani
2. Ika Estu Rahmawati3. Ramadhan Bayu Adi Prakoso
![Page 3: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/3.jpg)
Unsur Transisi
![Page 4: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/4.jpg)
1. Scandium ( Sc )
Merupakan mineral yang langka .Limpahan skadium di permukan Bumi 0,0025% .
![Page 5: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/5.jpg)
2. Titanium ( Ti )
Nama Mineral: Rutil ( TiO2 ) dan Ilmetit ( FeTiO3 )
Titanium merupakan unsur yang tersebar luas dalam kulit bumi (sekitar 0,6% massa kulit bumi)
![Page 6: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/6.jpg)
3. Vanadium ( V )
Nama Mineral: Vanadit ( Pb3(VO4)2 )
Tersebar luas di seluruh kulit bumi (0,02% massa)
![Page 7: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/7.jpg)
4. Kromium ( Cr )
Nama Mineral: Kromit ( FeCr2O4 )
Kelimpahannya dikulit bumi hanya 0,0122%
![Page 8: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/8.jpg)
Sifat Sifat
Sifat Fisika
Sifat Kimia
![Page 9: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/9.jpg)
Sifat Fisika
![Page 10: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/10.jpg)
Sifat Kimia
1. Mempunyai Beberapa Tingkat Oksidasi
2. Ion Berwarna
3. Sifat Logam
4. Sifat Kemagnetan
5. Bersifat Katalis
6. Dapat membentuk ion kompleks
![Page 11: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/11.jpg)
1. Konfigurasi elektron dan Biloks
![Page 12: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/12.jpg)
Senyawa-senyawa unsur transisi dialam ternyata mempunyai bilangan oksidasi lebih dari satu.
![Page 13: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/13.jpg)
2. Ion Berwarna
![Page 14: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/14.jpg)
3. Sifat Logam
![Page 15: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/15.jpg)
4. Sifat Kemagnetan
Ion Jumlah elektron tak berpasangan
Momen magnetik ( BM )
V4+ 1 1,73
V3+ 2 2,83
Cr3+ 3 3,87
Paramagnetik Diamagnetik
![Page 16: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/16.jpg)
5. Bersifat Katalis
2. V2O5(proses kontak pada pembuatan margarine)
1. TiCl3 (Polimerasasi alkena pada pembuatan plastic)
Beberapa logam transisi sebagai katalis pada proses industry :
![Page 17: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/17.jpg)
6. Dapat membentuk ion kompleks
Terdiri dari : atom pusat(kation) + ligan-ligan(anion).
Contoh :
Misalnya ion pusat Cr3+ mengikat tiga ligan asetat (CH3COO-) maka akan terbentuk senyawa kompleks netral [Cr(CH3COO)3]
![Page 18: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/18.jpg)
Cara Pengolahan
![Page 19: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/19.jpg)
Elektrolisis cairan ScCl3 yang dicampurkan dengan klorida-klorida lain.Logam ini juga dapat diperoleh melalui proses elektrolisis dengan reaksi sebagai berikut :
2ScCl3 (s) → 2Sc (s) + 3 Cl3 (g)
Scandium
![Page 20: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/20.jpg)
Metode Kroll : banyak menggunakan klor dan karbon
Persamaan Reaksi:
TiO2(s) + C(s) +2Cl2(g) TiCl4(g) +CO2(g)
TiCl4(g) + 2Mg(s) Ti(s) + 2MgCl2(g)
Titanium
![Page 21: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/21.jpg)
Ferro Vanadium (logam campuran besi) mengandung 35% - 95% vanadium. Dengan reaksi sebagai berikut :
2V2O5 + 5Si 4V + Fe + 5SiO2
SiO2 + CaO CaSiO3
Kemudian ferro vanadium dipisahkan dengan CaSiO3.
Vanadium
![Page 22: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/22.jpg)
Proses goldschmidt dengan jalan mereduksi Cr2O3 dengan logam aluminium.
Reaksinya: Cr2O3 (s) + 2Al(s) Al2O3(s) + 2Cr(s)
Kromium
![Page 23: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/23.jpg)
Kegunaan
![Page 24: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/24.jpg)
Scandium
![Page 25: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/25.jpg)
Titanium
![Page 26: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/26.jpg)
Vanadium
![Page 27: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/27.jpg)
Kromium
![Page 28: Unsur kimia transisi periode IV](https://reader030.fdocument.pub/reader030/viewer/2022012312/557c6fabd8b42a61168b49d3/html5/thumbnails/28.jpg)
TERIMA KASIH