Question

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 ?

Lakhmir Singh Chemistry Class 10

Answer 1

E is Carbon
A is buckminsterfullerene
B is graphite
C is diamond
C allotrope is used for making jewellery
B allotrope is used for making anode of dry cell