9.1.3b Pengoksidaan dan Pengurangan (MCQ-Hard)
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Question 1 of 5
1. Question
1 point(s)Hitungkan nombor pengoksidaan bagi unsur mangan Mn di dalam ion permanganat MnO₄⁻?
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Question 2 of 5
2. Question
1 point(s)Dalam tindak balas antara klorin dan ion ferum(II) mengikut persamaan 2Fe²⁺(ak) + Cl₂(g) → 2Fe³⁺(ak) + 2Cl⁻(ak) bahan manakah yang bertindak sebagai agen pengoksidaan?
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Question 3 of 5
3. Question
1 point(s)Berdasarkan Siri Elektrokimia pasangan bahan manakah yang tidak akan menghasilkan tindak balas penyesaran yang spontan?
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Question 4 of 5
4. Question
1 point(s)Apabila air bromin Br₂ ditambah ke dalam larutan kalium iodida KI apakah perubahan nombor pengoksidaan yang berlaku bagi unsur iodin?
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Question 5 of 5
5. Question
1 point(s)Dalam eksperimen menggunakan agen pengoksidaan kalium dikromat(VI) berasid K₂Cr₂O₇ apakah perubahan warna yang menandakan penurunan ejen tersebut?
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