A) + 4;\[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}\]
B) + 2; \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{2}}\]
C) + 3; \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{1}}\]
D) + 6; \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}\]
Correct Answer: D
Solution :
\[{{H}_{2}}\overset{*\,\,\,\,\,\,}{\mathop{S{{O}_{4}}}}\,\] \[2\times (+1)+x+4\times (-2)=0\] \[+2+x-8=0\]; \[x=8-2=+6\] Electronic configuration of sulphur in \[{{H}_{2}}S{{O}_{4}}\] is \[1{{s}^{2}},\,\,2{{s}^{2}},\,\,2{{p}^{6}}\].
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