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An element E exists in three allotropic forms A, B and C. In allotrope A, the atoms of element E are joined to form spherical molecules. In allotrope B, each atom of element E is surrounded by three other E atoms to form a sheet like structure. In allotrope C, each atom of element E is surrounded by four other E atoms to form a rigid structure.(a) Name the element E.(b) What is allotrope A ?(c) What is allotrope B ?(d) What is allotrope C ?(e) Which allotrope is used in making jewellery ?(f) Which allotrope is used in making anode of a dry cell ? |
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Answer» (a) Element E: Carbon (b) Allotrope A: Buckminsterfullerene (c) Allotrope B: Graphite (d) Allotrope C: Diamond (e) C (f) B |
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