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Chemistry > DN Halide reactions > Flashcards

DN Halide reactions Flashcards

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1
Q

how many reactions with chloride

A

1

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2
Q

how many reactions with bromide

A

2

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3
Q

how many reactions with iodide

A

4

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4
Q

chloride product and observation

A

HCl - steamy fumes

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5
Q

Bromide product and observation, first reaction

A

HBr - steamy fumes

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6
Q

bromide product and observation, second reaction

A

Br2 - brown fumes

SO2 - colourless gas

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7
Q

iodide product and observation, first reaction

A

HI - steamy fumes

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8
Q

iodide product and observation, second reaction

A

I2 - purple fumes

SO2 - colourless gas

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9
Q

iodide product and observation, third reaction

A

S - yellow solid

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10
Q

iodide product and observation, fourth reaction

A

H2S - bad egg smell

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11
Q

Chloride reaction and type of reaction

A

NaCl + H2SO4 = NaHSO4 + HCl

acid-base

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12
Q

Bromide reaction and type of reaction, first reaction

A

NaBr + H2SO4 = NaHSO4 + HBr

acid-base

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13
Q

Bromide reaction and type of reaction, second reaction

A

H2SO4 + 2HBr = Br2 + SO2 + 2H2O

redox

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14
Q

Iodide reaction and type of reaction, first reaction

A

NaI + H2SO4 = NaHSO4 + HI

acid-base

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15
Q

Iodide reaction and type of reaction, second reaction

A

H2SO4 + 2HI = I2 + SO2 + 2H2O

redox

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16
Q

Iodide reaction and type of reaction, third reaction

A

H2SO4 + 6HI = S + 4H2O + 3I2

17
Q

Iodide reaction and type of reaction, fourth reaction

A

H2SO4 + 8HI = H2S + 4H2O + 4I2

18
Q

strongest reducing power

A

Iodide

19
Q

explanation in reducing powers

A

As you go down the group despite the increase in nuclear charge, the outer electrons are further from the nucleus and there is more shielding so it is lost more easily

20
Q

halide to halogen half equation

A

2X- = X2 + 2e-

21
Q

H2SO4 = SO2

A

H2SO4 +2H+ 2E- = SO2 =2H2O

22
Q

H2SO4 = S

A

H2SO4 + 6H+ + 6e- = S + 4H2O

23
Q

H2SO4 = H2S

A

H2SO4 + 8H+ +8e- = H2S + 4H2O

Chemistry (23 decks)

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