Shristy posted an Question
September 20, 2020 • 23:30 pm 30 points
  • IIT JAM
  • Chemistry (CY)

25. a compound alloy cu3au crystallizes in a cubic lattice with cu at the face centers and au at the corners. how many formula units of the compound are there i

25. A compound alloy Cu3Au crystallizes in a cubic lattice with Cu at the face centers and Au at the corners. How many formula units of the compound are there in each unit cell1? (a) 4 26. Mo is known to crystallize in cubic form. The powder diffraction pattern of Mo obtained using K - (b) 3 (c) 2 (d) 1

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    Dinesh khalmaniya 1 Best Answer

    option D

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    here Cu at the face centr so 6×1/2 =3 while Au at corners so 8×1/8 =1

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    here 3 Cu and 1 Au combined to gormed 1 Cu3Au

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    if 6 Cu and 2 Au comes then ???what will be it's formula unit

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    because in one unit there is 3Cu and 1 Au

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    ok sir again if 7 Cu and 2 Au comes then?????it will be 1 na

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    no, only 6Cu and 2 Au formed 2 unit. it is not possible

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    ok sir got it thanku

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