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An Intiative by Sri Chaitanya
a
Each carbon atom forms three sigma bonds
b
The 6 – membered rings are fused to both 6 – and 5 – membered rings.
c
The 5-membered rings are fused only to 6 – membered rings
d
It contains 12 six – membered rings and 24 five membered rings
answer is A.
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