A mixture of Al(OH)3 and Fe(OH)3 can be the separated by:A. HClB. NH4OHC. NaOHD. HNO3
Pushpa Raj Joshi , 5 Years ago
Grade 12th pass
Zoology> A mixture of Al(OH)3 and Fe(OH)3 can be t...
1 AnswersVikas TU
Last Activity: 5 Years ago
Dear student
I think the ans should be A .
Al(OH)3 is amphoteric in nature, and so it dissolves in NaOH solution forming sodium aluminate. The unreacted Fe(OH)3 can be removed by filtration.
The filtrate containing sodium aluminate is neutralised with HCl, and then treated with aqueous ammonia (NH4OH) when Al(OH)3 will be again precipitated.
So, A would be the coice .
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