Free Printable Redox quiz

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Worksheets

Redox quiz

Total questions: 12

Worksheet time: 14mins

Name

Class

Date

1.

Mg(s) + Cu²⁺(aq) → Mg²⁺(aq) + Cu(s)

Oxidation : (a)

Choose from the below words

Mg(s) → Mg2+(aq) + 2e-

Mg(s) + 2e- → Mg2+(aq)

Mg2+(aq) + 2e-→Mg(s)

Mg2+(aq) + 2e- → Mg(s)

Mg2+(aq) → Mg(s) + 2e-

Cu2+(aq) + 2e- → Cu(s)

Cu2+(aq) → Cu(s)+ 2e-

Cu(s) + 2e- → Cu2+(aq)

Cu(s) → Cu2+(aq) + 2e-

2.

Mg(s) + Cu²⁺(aq) → Mg²⁺(aq) + Cu(s)

Reduction : (a)

Choose from the below words

Cu2+(aq) + 2e- → Cu(s)

Mg(s) + 2e- → Mg2+(aq)

Mg2+(aq) + 2e-→Mg(s)

Mg2+(aq) + 2e- → Mg(s)

Mg2+(aq) → Mg(s) + 2e-

Cu2+(aq) → Cu(s)+ 2e-

Cu(s) + 2e- → Cu2+(aq)

Cu(s) → Cu2+(aq) + 2e-

3.

Mg(s) + Cu²⁺(aq) → Mg²⁺(aq) + Cu(s)

ตัวรีดิวซ์ คือ (a)

Choose from the below words

Mg(s)

Cu2+(aq)

Mg2+(aq)

Cu(s)

Zn

4.

Mg(s) + Cu²⁺(aq) → Mg²⁺(aq) + Cu(s)

ตัวออกซิไดส์ คือ (a)

Choose from the below words

Cu2+(aq)

Mg2+(aq)

Cu(s)

Zn

Mg(s)

5.

Cl₂(g) + 2I^-(aq) → 2Cl^-(aq) + I₂(s)

Oxidation : (a)

Choose from the below words

2I-(aq) → I2(s) + 2e-

Cl2(aq) + 2e- → 2Cl-(aq)

2I-(aq) + 2e- → I2(s)

I2(s) → 2I-(aq) + 2e-

Cl2(aq) → 2Cl-(aq)+2e-

2Cl-(aq) + 2e- → Cl2(aq)

6.

Cl₂(g) + 2I^-(aq) → 2Cl^-(aq) + I₂(s)

Reduction : (a)

Choose from the below words

Cl2(aq) + 2e- → 2Cl-(aq)

2I-(aq) + 2e- → I2(s)

I2(s) → 2I-(aq) + 2e-

Cl2(aq) → 2Cl-(aq)+2e-

2Cl-(aq) + 2e- → Cl2(aq)

2I-(aq) → I2(s) + 2e-

7.

Cl₂(g) + 2I^-(aq) → 2Cl^-(aq) + I₂(s)

ตัวรีดิวซ์ คือ (a)

Choose from the below words

I-(aq)

Cl2(g)

Cl-(aq)

I2(s)

2e-

8.

Cl₂(g) + 2I^-(aq) → 2Cl^-(aq) + I₂(s)

ตัวออกซิไดซ์ คือ (a)

Choose from the below words

Cl2(g)

Cl-(aq)

I2(s)

2e-

I-(aq)

9.

ZnSO₄(aq) + Mg(s) → Zn(s) + MgSO₄(aq)

Oxidation : (a)

Choose from the below words

Mg(s) → Mg2+(aq) + 2e-

Mg(s) → MgSO4(aq)

Mg(s) + 2e- → Mg2+(aq)

Zn2+(aq) + 2e- → Zn(s)

ZnSO4(aq) → Zn(s)

Zn2+(aq) → Zn(s) + 2e-

10.

ZnSO₄(aq) + Mg(s) → Zn(s) + MgSO₄(aq)

Reduction : (a)

Choose from the below words

Zn2+(aq) + 2e- → Zn(s)

Mg(s) → MgSO4(aq)

Mg(s) + 2e- → Mg2+(aq)

ZnSO4(aq) → Zn(s)

Zn2+(aq) → Zn(s) + 2e-

Mg(s) → Mg2+(aq) + 2e-

11.

ZnSO₄(aq) + Mg(s) → Zn(s) + MgSO₄(aq)

ตัวรีดิวซ์ คือ (a)

Choose from the below words

Mg(s)

Mg2+(aq)

ZnSO4(aq)

Zn2+(aq)

MgSO4(aq)

Zn(s)

12.

ZnSO₄(aq) + Mg(s) → Zn(s) + MgSO₄(aq)

ตัวรีดิวซ์ คือ (a)

Choose from the below words

Zn2+(aq)

Mg2+(aq)

ZnSO4(aq)

Zn2+(aq)

MgSO4(aq)

Zn(s)

Mg(s)

Reset

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