1.

The following reagent converts \[{{C}_{6}}{{H}_{5}}COCHO\] to \[{{C}_{6}}{{H}_{5}}CHOHCOONa\]          [Roorkee Qualifying 1998]

A.                 Aq. NaOH           
B.                 Acidic \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\]
C.                 \[N{{a}_{2}}Cr{{O}_{4}}/{{H}_{2}}S{{O}_{4}}\]    
D.                 \[NaN{{O}_{2}}/HCl\]
Answer» B.                 Acidic \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\]


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