10. Pyrolusite, Braunite, Psilomelane andRhodochrosite are the ores of which amongthe following:1. Manganese2. Aluminium3. CopperChoose the correct option:[A] Only 1[B] Only 1 & 2[C] Only 3[D] Only 1 & 3

~ Pyrolusite, hausmannite, braunite, psilomelane, manganite, alabandite, and rhodochrosite are all…

Answered: 10. Pyrolusite, Braunite, Psilomelane…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Calculate the radius ratio of Ti and O in the mineral called Rutile. Using the chart below, what is the arrangement of Ti and O?
Identify the phase of the copper product after each reaction in the copper cycle. The heating of Cu(OH)2Cu(OH)X2 to form CuOCuO Choose...SolidAqueous The addition of NaOHNaOH to Cu(NO3)2Cu(NOX3)X2 to form Cu(OH)2Cu(OH)X2 Choose...SolidAqueous The addition of AlAl to CuCl2CuClX2 to form CuCu Choose...SolidAqueous The addition of HClHCl to CuOCuO to form CuCl2CuClX2 Choose...SolidAqueous
Pyrolusite (MnO2) is dissolved in hydrochloric acid:MnO2 + HCl → MnCl2 + H2O + Cl2The chloride was passed into potassium iodide solution where it liberated iodine:Cl2 + KI → KCl + I2The iodine liberated was estimated by adding sodium thiosulfate, the reaction beingI2 + Na2S2O3 → NaI + Na2S4O6If 5.6 g of crystallized sodium thiosulfate, Na2S2O3 5H2O ,were used up, how many grams of manganese were present?MW (g/mole): I =126.9; Mn =54.94; Cl = 35.45; K = 39.09; Na = 23; S = 32
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A metallic element with a cubic close-packed (ccp) crystal structure has a density of 22.56 g/cm³ and an atomic weight of 192.2 g/mol. What is the atomic radius of this element? A. 0.855 Å В. 1.077 A C. 1.357 Å D. 1.919 Å
1. Give the electron configuration (in t2g and eg forms) for Ti(III), Mn(II), and Ni(II) ions in: a) Octahedral (high spin) b) Tetrahedral crystal fields
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10. Pyrolusite, Braunite, Psilomelane and Rhodochrosite are the ores of which among the following: 1. Manganese 2. Aluminium 3. Copper Choose the correct option: [A] Only 1 [B] Only 1 & 2 [C] Only 3 [D] Only 1 & 3