October 2018 2 66 Report
Diantara reaksi berikut, yang tergolong reaksiredoks adalah….
a.CuO(s) 2HNO 3 ( aq )→ Cu(NO 3 ) 2 ( aq ) H 2 O( l )
b.Cr 2 O 72- ( aq ) 2H ( aq ) → CrO 42- ( aq ) H 2 O( l )
c.NH 4 ( aq ) OH - ( aq ) → NH 3 ( g ) H 2 O( l )
d.Ba 2 ( aq ) SO 42- ( aq ) → BaSO 4 ( s )
e.2Na 2 S 2 O 3 ( aq ) I 2 ( aq )→ Na 2 S 4 O 6 ( aq ) 2Nal( aq )

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