Questions
Statement (A) : Diamond is hard.
Statement (B): Graphite is a good conductor of electricity.
Statement (C) : Bromine is a liquid non-metal.
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Correct option is A
Due to long tetrahedral chain geometry is present in diamond, it has very hard nature. In graphite, due to 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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