Statement (A) : Diamond is hard. 

Statement (B): Graphite is a good conductor of electricity. 

Statement (C) : Bromine is a liquid non-metal.

  1. A

    All the above statements are correct

  2. B

    All the above statements are incorrect

  3. C

    A and B are correct but C is incorrect

  4. D

    A and B are incorrect but C is correct

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    Solution:

    Due to long tetrahedral chain geometry is present in diamond, it has very hard nature. In graphite, due to Sp2 hybridization there is one unpaired electron is present at carbon atom. So, that the electricity is passed through electron in graphite. Bromine is a p block element and it is available in liquid form.

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