question_answer

Which one is oxidising agent in the reaction  below                 \[2CrO_{4}^{2-}+2{{H}^{+}}\to C{{r}_{2}}O_{7}^{2-}+{{H}_{2}}O\]                             [CPMT 1997]

A)                 \[{{H}^{+}}\]     

B)                 \[C{{r}_{2}}O_{4}^{-}\]

C)                 \[C{{r}^{++}}\]

D)                 None of these