p-Block Elements-I - Result Question 40
11. Moderate electrical conductivity is shown by insulators
$(1982,1 M)$
(a) silica
(b) graphite
(c) diamond
(d) None of these
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Answer:
Correct Answer: 11. (a, c, d)
Solution:
Graphite has layered structure and conducts electricity moderately. Silica and diamond have 3-dimensional network structures and are non-conducting.