A) \[{{H}_{2}}S{{O}_{3}}\]
B) \[S{{O}_{2}}\]
C) \[{{H}_{2}}S{{O}_{4}}\]
D) \[Ca,\,\,K,\,\,Li\]
Correct Answer: D
Solution :
\[\overset{\,\,*}{\mathop{{{H}_{2}}S{{O}_{3}}}}\,=+4\]; \[\overset{*\,\,\,\,\,\,}{\mathop{S{{O}_{2}}}}\,=+4\] \[\overset{\,\,*}{\mathop{{{H}_{2}}S{{O}_{4}}}}\,=+6\]; \[\overset{\,\,\,\,\,\,\,\,\,*}{\mathop{{{H}_{2}}S}}\,=-2\].
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