Halide ions + Sulphuric acid

?
NaCl + H2SO4 ->
NaHSO4 + HCl
1 of 6
What do you see when HCl is formed?
misty fumes
2 of 6
NaBr + H2SO4 ->
NaHSO4 + HBr ... 2HBr + H2SO4 -> Br2 + SO2 + 2H2O
3 of 6
What do you see when NaBr reacts with H2SO4
1st reaction gives misty fumes. 2nd reaction - choking SO2 fumes and orange fumes of Br2
4 of 6
NaI + H2SO4 ->
NaHSO4 + HI ... 2HI + H2SO4 -> I2 + SO2 + 2H2O ... 6HI + SO2 -> H2S + 3I2 + 2H2O
5 of 6
What do you see when NaI reacts with H2SO4
HI gas, solid iodine
6 of 6

Other cards in this set

Card 2

Front

What do you see when HCl is formed?

Back

misty fumes

Card 3

Front

NaBr + H2SO4 ->

Back

Preview of the front of card 3

Card 4

Front

What do you see when NaBr reacts with H2SO4

Back

Preview of the front of card 4

Card 5

Front

NaI + H2SO4 ->

Back

Preview of the front of card 5
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