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NEET Chemistry NEET PYQ-Carbon Family

  • question_answer
    Which of the following does not show electrical conduction?                         [AIPMT 1999]

    A) Potassium

    B) Graphite

    C) Diamond

    D) Sodium

    Correct Answer: C

    Solution :

                   [c] Diamond does not show electrical conductivity due to the absence of free electrons. All carbon atoms are bonded tetra hedrally to four other C atoms. Sodium and potassium are metallic conductors while graphite is a non-metallic conductor.


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