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| 1. |
In the ring test of NO_(3)^(-) ion, Fe^(2+) ion reduces nitrate ion to nitric oxide, which combines with Fe^(2+) (aq) ion to form brown complex. Write the reactions involved in the formation of brown ring. |
| Answer» Solution :`{:(underset("Nitrate ion")(NO_(3)^(-)(AQ))+3Fe^(2+)+4H^(+)(aq) rarr underset("Nitric OXIDE")(NO(g))+3Fe^(3+)(aq)+3H_(2)O(L)),(""[Fe(H_(2)O)_(6)]^(2+) + NO(g) rarr underset("(Brown COMPLEX)")underset("Pentaaquanitrosonium iron (I)")([Fe(H_(2)O)_(5)NO]^(2+))+H_(2)O):}` | |