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Reaksi Redoks : Reduksi dan Oksidasi | Materi Kimia SMA Kelas X Semester 2

Reaksi Redoks : Reduksi dan Oksidasi | Materi Kimia SMA Kelas X Semester 2 – Setelah liburan panjang akhirnya kita kembali ke bangku sekolah ya. Bagaimana hasil raport kelas X semester 1 yang lalu? Baik tidak? Buat yang sudah baik, terus dipertahankan ya dan bagi yang belum memperoleh hasil maksimal, semester 2 ini kalian harus tambah lagi semangat belajarnya, OK. Sebelum liburan yang lalu saya telah berbagi informasi dan materi mengenai Larutan Elektrolit dan Nonelektrolit, bagi yang belum membaca dan belajar, tidak apa-apa, klik saja disini. Ok, kali ini materi yang saya suguhkan adalah Reaksi Redoks : Reaksi Reduksi dan Oksidasi, Materi Kimia SMA Kelas X Semester 2. Check it out.

Reaksi Redoks : Reduksi dan Oksidasi | Materi Kimia SMA Kelas X Semester 2

semangat Reaksi Redoks : Reduksi dan Oksidasi | Materi Kimia SMA Kelas X Semester 2 Materi sebelumnya :

Larutan Elektrolit dan Nonelektrolit | Materi Kimia SMA Kelas X Semester 2

Konsep Redoks, Konsep Reaksi Reduksi dan Reaksi Oksidasi

  1. Pengertian Oksidasi adalah peristiwa pengikatan oksigen.
  2. Pengertian Reduksi adalah peristiwa pelepasan oksigen.

Pengertian di atas berdasarkan penggabungan dan pelepasan oksigen.

Reaksi Reduksi Oksidasi Reaksi Redoks : Reduksi dan Oksidasi | Materi Kimia SMA Kelas X Semester 2

Jika Konsep Oksidasi dan Reduksi berdasarkan pelepasan dan penerimaan elektron, maka :

  1. Oksidasi adalah reaksi pelepasan elektron.
  2. Reduksi adalah reaksi penerimaan elektron.

Jika Konsep Reduksi dan Oksidasi berdasarkan perubahan bilangan oksidasi, maka :

  1. Reaksi Oksidasi adalah reaksi peningkatan bilangan oksidasi.
  2. Reaksi Reduksi adalah reaksi penurunan bilangan oksidasi.

Pengertian Oksidator adalah zat yang mengalami reduksi atau zat yang mengoksidasi zat lain.
Pengertian Reduktor adalah zat yang mengalami oksidasi atau zat yang mereduksi zat lain.

Reaksi Redoks : Reduksi dan Oksidasi | Materi Kimia SMA Kelas X Semester 2

Reaksi Redoks Reaksi Redoks : Reduksi dan Oksidasi | Materi Kimia SMA Kelas X Semester 2

A. Contoh konsep redoks berdasarkan pengikatan dan pelepasan oksigen :

Contoh reaksi reduksi :

FeO + CO -> Fe + CO2 ; (Fe melepaskan Oksigen membentuk Fe)

CuO + H2 -> Cu + H2O ; (Cu melepaskan Oksigen membentuk Cu)

Contoh reaksi oksidasi :

2 Mg + O2 -> 2 MgO

CH4 + 2 O2 -> CO2 + 2 H2O

B. Contoh konsep redoks berdasarkan penerimaan dan pelepasan oksigen :

2 K + Cl2 -> 2 KCl ; KCL adalah ikatan antara K+ dan Cl-

Contoh reaksi oksidasi :

K -> K+ + e; K melepaskan elektron menjadi K+

Contoh reaksi reduksi :

Cl + e-  -> Cl; Cl menangkap elektron menjadi Cl-

Untuk contoh konsep redoks berdasarkan perubahan bilangan oksidasi, klik disini.

Reaksi Redoks : Reduksi dan Oksidasi | Materi Kimia SMA Kelas X Semester 2

About DaddySunSek

Seorang laki-laki sederhana dari Kota Gaplek, Wonogiri. Pernah belajar di Universitas Negeri Semarang dan kini mengajar Kimia di SMA Islam Al Azhar 7 Solo Baru, Sukoharjo. Selain mengabdi di dunia pendidikan, saya juga aktif di dunia Internet Marketing. Salam Sukses dari Wonogiri View all posts by DaddySunSek →

15 Responses to Reaksi Redoks : Reduksi dan Oksidasi | Materi Kimia SMA Kelas X Semester 2

  1. Pingback: Bilangan Oksidasi dan Aturan Penentuan Biloks | Kimia SMA Kelas X Semester 2

  2. david lesmana says:

    sangat membantu

  3. mei says:

    wah, sangat membantu mas penjelasannya,.
    saya kalo diterangin guru saya disekolah ndak mudeng2 tapi pas baca artikel disini saya jadi mudeng :D

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