n+1
6 Answers
eureka123
·2009-11-27 10:59:36
oops ans will be n-1
here is structure
http://commons.wikimedia.org/wiki/File:Polythionic_acid_2-D_structure.png
no for n=3,we have 3 S atoms...so we have 2 S-S bonds
similarly carrying on we get ans as n-1