Concept explainers
Interpretation:
The reason should be determined for expected reasonably the chemistry of dichromate ion which involves mostly in
Concept introduction:
The term oxidation refers to the loss of electrons by a chemical species and the term reduction refers to the gain of electrons by a chemical species. Oxidation -reduction reactions are those
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GENERAL CHEMISTRY-MOD.MASTERINGCHEM.
- Give the oxidation state of the metal for each of the following oxides of the first transition series. (Hint: Oxides of formula M3O4 are examples of mixed valence compounds in which the metal ion is present in more than oneoxidation state. It is possible to write these compound formulas in the equivalent format MO∙M2O3, to permit estimation of the metal’s two oxidation states.)(a) Sc2O3(b) TiO2(c) V2O5(d) CrO3(e) MnO2(f) Fe3O4(g) Co3O4(h) NiO(i) Cu2Oarrow_forwardWhat are the expected results when these following metals and non-mentals would react to HCL & CUCL2?arrow_forwardExplain the separation of Fe2O3 from bauxite with equationsarrow_forward
- What is linkage isomerisation and why can it be important?arrow_forwardGive an example of a double salt that can be formed via ligand exchange and give the reactions involvedarrow_forwardHow does the maximum oxidation number vary across aperiod in the main groups? Is the pattern in Period 2 different?arrow_forward
- Please provide a justification for the following statement: lithium chloride dissolves in polarorganic solvents. What would you expect for other group I metal halides?arrow_forward1. Account for the fact that [SiF6]-2 is a well-known species, while the corresponding [CF6]-2 does not exists. 2. Arrange the following oxides K2Cr2O7, Cr2O3 and CrO in order of increasing oxidizing power. Write the oxidation states of Cr in each compound. 3. Which is more easily hydrolysed CCl4 or SiCl4? Explain your answer.arrow_forwardThe Latimer diagram for nitrogen in acidic solution at 25 °C is shown. Classify each species based on whether it is stable with respect to disproportionation or unstable with respect to disproportionation in acidic solution under standard conditions at 25 °C.arrow_forward
- The periodic trend which is responsible for the observation that the maximum oxidation state of the transition-metal elements peaks near groups 7B and 8B?arrow_forwardexplain the feasibility of refining sulfur and phosphorous in basic oxygen furnace according to the relevant reactions and metallurgical conditionsarrow_forwardUsing periodic trends, crystal structures, valence states, etc., explain the complex spectrum of electronic properties of transition metal compounds (e.g. from TiO to NiO), and describe the main factors that affect the electronic properties, or favour electronic conduction, of inorganic materials. As a specific case of the above question, predict and account for the differences in electronic properties between (a) TiO2 and TiS2, and (b) TiO2 and VO2.arrow_forward