chem atp

[Sharky]

j 06 atp Q9(i)(ii).....plz explain

 

[knight101]

9(a) iron has its maximum valency here hence it cannot be oxidised any further.
(b)mass of R=18.04-11.96=6.08
(c)pippete
(d) colourless to pink

 

[hassam]

I CANT UNDERSTND COLOURLESS TO PINK

 

[Sharky]

yes plz tell why its colourless to pink

 

[shamil]

a. iron cannot be oxidised further
b.5.08
c.pipette (using a pipette filler for safety reasons)
d.green (because thE COLOUR OF IRON (ii) Ions is green
ii. pink because as long as iron (ii) ions are being used up pink is maintained