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Grade 12th passInorganic Chemistry

In which of the following molecuke,central atom has more than 8 electrons in outer most shell.A. So3 B. So2 C. P2o5 D. All of these.

Profile image of prince
9 Years agoGrade 12th pass
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1 Answer

Profile image of varun
8 Years ago
HELLO PRINCE,
Answer is SO2
i will give the calculations below
for SO3
Oxidation number is +6
So, S^+6 = 10
So number of electrons is 2,8
So its  not possible
So next for SO2
in which the oxidation number is +4
So S^+4 = 12
so outermost electrons is 2,8,2
Next for P2O5 
Oxidation number = 2x-5 = 0
                                     x=5
So P^+ = 10
 so outermost electrons is 2,8
So 
So2 is the only compound having outermost electrons more than 8
THANK YOU

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