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5 marks each.Q 17. A metal Ø' produces a close packed structure in a crystal with anion 'B'. In the crystal B anion produced unit cell and metal ions Ø' occupied two octahedral holes out of every three octahedral holes. a) Derive the formula of metal oxide. b) what would be the valency of Ø and B Q18. 1 mole of AgCl is doped with 0.000005mol of Cadmium chloride. Calculate the moles of cation vacancy. Q19. A metal X' crystallises in ccp structure. Its metallic radius is 100pm. a) Length of the Edge of the unit cell is :_pm(v2=1.41) b) If 10 to the power 22= Ø. find how many unit cell are there in 1 cubic centimetre. |
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Answer» ERROR in the question Explanation: ggggggcvvvvvcvvvvvvvvdfgvxcvxdv |
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