Papers by Ismi Jauhar Kurniawati
1. What are the transition metals ? describe the definition of transition metals ? How are they d... more 1. What are the transition metals ? describe the definition of transition metals ? How are they difference from the main metals ? 2. Write down, in order, the metal that comprise the first row of the d-block and give the ground state valency electronic configuration of each element. 3. Comment on the variation in oxidation states of first row d-block metals? Why is Zn not classed at transition metals ? 4. Describe the extraction of manganese from its ore ? 5. Writw equations illustrating reaction of Mn with HCl, oxygen, nitrogen, and chlorine. Provide reaction condition in each case. 6. Describe the preparation of dark green salt of (MnO4) -1 7. In the presence of acid manganite (VI) is unstable with respect disproportionation. Write this equation.
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Papers by Ismi Jauhar Kurniawati