To 2.0cm3 of solution of sample x. NaOH solution was addded drop by drop until...

To 2.0cm3 of solution of sample x. NaOH solution was addded drop by drop until in excess. a reddish-brown ppt insoluble in excess NaOH. The cation contained in sample x is:?

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Answers (2)

wilsonm
1 month ago
the cation which gives a reddis-brown ppt insoluble in excess NaOH is Fe3+.. X is Fe3+.
kenny1991
1 month ago
The cation presents are NO2- and NO3-
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