(a) Interpretation: The given chemical reaction needs to be balanced. Cl2(g) + 2 I - (aq) → Concept introduction: The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore, fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is F2 > Cl2 > Br2 > I2

Question

What type(s) of reaction is the reaction of magnesium and steam? (There may be more than one answer) Mg(s) + 2 H2O(g) → Mg(OH)2(s) + H2(g)

Answer 1

Question

Chapter 21, Problem 19QAP

Interpretation Introduction

(a)

Interpretation:

The given chemical reaction needs to be balanced.

Cl2(g) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore, fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(b)

Interpretation:

The given chemical reaction needs to be balanced.

F2(g) + 2 Br-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(c)

Interpretation:

The given chemical reaction needs to be balanced.

I2(s) + Cl-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(d)

Interpretation:

The given chemical reaction needs to be balanced.

Br2(l) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words; in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is:

F2 > Cl2 > Br2 > I2

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What type(s) of reaction is the reaction of magnesium and steam? (There may be more than one answer) Mg(s) + 2 H2O(g) → Mg(OH)2(s) + H2(g)

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Answer 2

Question

Chapter 21, Problem 19QAP

Interpretation Introduction

(a)

Interpretation:

The given chemical reaction needs to be balanced.

Cl2(g) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore, fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(b)

Interpretation:

The given chemical reaction needs to be balanced.

F2(g) + 2 Br-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(c)

Interpretation:

The given chemical reaction needs to be balanced.

I2(s) + Cl-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(d)

Interpretation:

The given chemical reaction needs to be balanced.

Br2(l) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words; in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is:

F2 > Cl2 > Br2 > I2

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Answer 3

Question

Chapter 21, Problem 19QAP

Interpretation Introduction

(a)

Interpretation:

The given chemical reaction needs to be balanced.

Cl2(g) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore, fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(b)

Interpretation:

The given chemical reaction needs to be balanced.

F2(g) + 2 Br-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(c)

Interpretation:

The given chemical reaction needs to be balanced.

I2(s) + Cl-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(d)

Interpretation:

The given chemical reaction needs to be balanced.

Br2(l) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words; in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is:

F2 > Cl2 > Br2 > I2

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Answer 4

Question

Chapter 21, Problem 19QAP

Interpretation Introduction

(a)

Interpretation:

The given chemical reaction needs to be balanced.

Cl2(g) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore, fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(b)

Interpretation:

The given chemical reaction needs to be balanced.

F2(g) + 2 Br-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(c)

Interpretation:

The given chemical reaction needs to be balanced.

I2(s) + Cl-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(d)

Interpretation:

The given chemical reaction needs to be balanced.

Br2(l) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words; in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is:

F2 > Cl2 > Br2 > I2

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Answer 5

Chapter 21, Problem 19QAP

Interpretation Introduction

(a)

Interpretation:

The given chemical reaction needs to be balanced.

Cl2(g) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore, fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(b)

Interpretation:

The given chemical reaction needs to be balanced.

F2(g) + 2 Br-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(c)

Interpretation:

The given chemical reaction needs to be balanced.

I2(s) + Cl-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Interpretation Introduction

(d)

Interpretation:

The given chemical reaction needs to be balanced.

Br2(l) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words; in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is:

F2 > Cl2 > Br2 > I2

Answer 6

Chapter 21, Problem 19QAP

Interpretation Introduction

(a)

Interpretation:

The given chemical reaction needs to be balanced.

Cl2(g) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore, fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Answer 7

Chapter 21, Problem 19QAP

Interpretation Introduction

(a)

Interpretation:

The given chemical reaction needs to be balanced.

Cl2(g) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore, fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Answer 8

Interpretation Introduction

(b)

Interpretation:

The given chemical reaction needs to be balanced.

F2(g) + 2 Br-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Answer 9

Interpretation Introduction

(b)

Interpretation:

The given chemical reaction needs to be balanced.

F2(g) + 2 Br-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Answer 10

Interpretation Introduction

(c)

Interpretation:

The given chemical reaction needs to be balanced.

I2(s) + Cl-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Answer 11

Interpretation Introduction

(c)

Interpretation:

The given chemical reaction needs to be balanced.

I2(s) + Cl-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is

F2 > Cl2 > Br2 > I2

Answer 12

Interpretation Introduction

(d)

Interpretation:

The given chemical reaction needs to be balanced.

Br2(l) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words; in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is:

F2 > Cl2 > Br2 > I2

Answer 13

Interpretation Introduction

(d)

Interpretation:

The given chemical reaction needs to be balanced.

Br2(l) + 2 I-(aq) →

Concept introduction:

The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words; in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is:

F2 > Cl2 > Br2 > I2

Answer 14

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Ch. 21 - Prob. 1QAP Ch. 21 - Prob. 2QAP Ch. 21 - Prob. 3QAP Ch. 21 - Prob. 4QAP Ch. 21 - Prob. 5QAP Ch. 21 - Prob. 6QAP Ch. 21 - Give the formula for the acidic oxide of (a) HNO3...Ch. 21 - Prob. 8QAP Ch. 21 - Write the formulas of the following compounds. (a)...Ch. 21 - Prob. 10QAP

Solution Summary: The author explains that the group-17 of the periodic table is also called as halogens. They are most reactive and electro-negative non-metals.

Chapter 21 Solutions