A) \[{{H}_{2}}{{S}_{2}}{{O}_{4}}\]
B) \[{{H}_{2}}{{S}_{2}}{{O}_{6}}\]
C) \[{{H}_{2}}{{S}_{2}}{{O}_{5}}\]
D) \[{{H}_{2}}{{S}_{2}}{{O}_{7}}\]
Correct Answer: B
Solution :
\[{{H}_{2}}{{S}_{2}}{{O}_{4}}\] ? Dithionous acid \[{{H}_{2}}{{S}_{2}}{{O}_{6}}\]? Dithionic acid \[{{H}_{2}}{{S}_{2}}{{O}_{5}}\]? Disulphurous acid \[{{H}_{2}}{{S}_{2}}{{O}_{7}}\]? Disulphuric acid
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