Page 5 - UKBM KIMIA PLUS COVER

KIM – 3.5/4.5/5/1.1

a. mana yang lebih mudah terkorosi, Fe atau Au?
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b. Mengapa Al pada kenyataannya lebih tahan korosi dibandingkan Fe
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c. Berdasarkan soal no 3b di atas, tuliskan zat yang terbentuk saat Al mengalami reaksi
oksidasi!
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4. Tuliskan reaksi redoks yang terjadi pada logam besi pada kondisi netral atau basa
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5. Tuliskan reaksi redoks yang terjadi pada logam besi pada kondisi asam
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6. Berdasarkan soal no 4 dan no 5, kemukakan perbedaan diantara keduanya!
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7. Kemukakan kesimpulanmu tentang perkaratan logam!
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