NEET Chemistry NEET PYQ-The Solid State

  • question_answer
    With a unit cell length of 361 pm. What is the radius of copper atom in pm? [AIPMT (S) 2009]

    A) 128

    B) 157

    C) 181

    D) 198 

    Correct Answer: A

    Solution :

    [a] In case of face-centred cubic lattice, radius \[\text{mo}{{\text{l}}^{\text{-1}}}\]
    \[\text{mo}{{\text{l}}^{\text{-1}}}\]Radius of copper atom (fee lattice)
    \[\text{mo}{{\text{l}}^{\text{-1}}}\]


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