JEE Main & Advanced
Chemistry
Redox Reactions / रेडॉक्स अभिक्रियाएँ
Question Bank
Numerical Value Type Questions - Redox Reactions
question_answer
An element A in a compound ABD has oxidation number\[{{A}^{2-}}\]. It is oxidised by \[C{{r}_{2}}O_{7}^{2-}\] in acidic medium. In the experiment \[1.68\times {{10}^{-\,3}}\] moles of \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] were used for \[3.26\times {{10}^{-\,3}}\]moles of ABD. What would be new oxidation number of A after oxidation.