Group 7 Flashcards by Mia Yates | Brainscape

Q

Cl2 + H2O

A

Cl2 + H2O ⇌ HCl + HClO

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Cl2 + H2O In sunlight

A

Cl2 + H2O → 2HCl + 1/2 O2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Cl2 + NaOH →

A

Cl2 + 2 NaOH → NaCl + NaClO + H2O

Green colour of CL2 fades, smell is less pungent

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

AgX (s) + 2NH3 (aq) → (When X is Cl or Br)

A

AgX(s) + 2NH3 (aq) → [Ag(NH3)2]+ (aq) + X- (aq)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Acid Base

NaCl + H2SO4 →

A

NaCl + H2SO4 → NaHSO4 + HCl

Fizzes, white fumes

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Acid Base

NaBr + H2SO4 →

A

NaBr + H2SO4 → NaHSO4 + HBr

Fizzes, white fumes

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Redox

Reduction of H2SO4 to SO2 using Br-

A

2 Br- + H2SO4 + 2H+ → Br2 + SO2 + 2H2O

Orange fumes (Br2), Choking gas (SO2)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Acid Base

NaI + H2SO4 →

A

NaI + H2SO4 → NaHSO4 + HI

Steamy white fumes

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Redox

Reduction of H2SO4 to form SO2 using I-

A

H2SO4 + 2 H+ 2 I- → SO2 + 2 H2O + I2

Black solid (I2) , choking gas (SO2)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Redox

Reduction of H2SO4 to form S using I-

A

H2SO4 + 6 H+ 2 I- → SO2 + 4 H2O + I2

Black solid (I2) , yellow solid (S)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Redox

Reduction of H2SO4 to form H2S using I-

A

H2SO4 + 8 H+ 2 I- → H2S + 4 H2O + I2

Black solid (I2) , bad egg smell (H2S)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly