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21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
None of these
b
Average oxidation number of S atom is +2
c
Oxidation number of two S atoms is +1 each and that of other two is +4 each
d
Oxidation number of two S atoms is zero each and that of other two is +5 each
answer is B.
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