Chapter 6: Q. 6.150 (page 210)

Identify the group number in the periodic table of $X$ , a representative element, in each of the following ionic compounds: $(6.2)$
a. $X_{2} O_{3}$
b. $X_{2} S O_{3}$
c. $N a_{3} X$

Short Answer

Expert verified

a. The group number is $3 A (13)$ .

b. The group number is $1 A (1)$ .

c. The group number is $5 A (15)$ .

Step by step solution

Part (a) step 1: Given Information

We need to identify the group number of $X_{2} O_{3}$ .

Part (a) step 2: Simplify

Consider: $X_{2} O_{3}$

ion of oxygen $(O) ‐ ‐ ‐ O^{2 -}$ say change of $X$ is $x$ then by charge balance -

$2 x + 3 (2 -) = 0 x = + 3$

Therefore, ion of $x ‐ ‐ ‐ X^{3 +}$

Here, three electrons are donated to achieve octect so group is $3 A (13)$ .

Part (b) step 1: Given Information

We need to identify the group number of $X_{2} S O_{3}$ .

Part (b) step 2: Simplify

Consider: $X_{2} S O_{3}$

ion of Sulfite $‐ ‐ ‐ {S o}_{3}^{2 -}$ charge of $X$ is $x$ then by charge balance -

$2 x + (2 -) = 0 x = 1 +$

Therefore, the ion of $x ‐ ‐ ‐ X^{+}$

Here,

An electron donated to achieve octect so group isrole="math" localid="1652437478196" $1 A (1)$ .

Part (c) step 1: Given Information

We need to identify the group number of $N a_{3} X$ .

Part (c) step 2: Simplify

Consider: $N a_{3} X$

ion of Sodium $(N a)$ $‐ ‐ ‐ N a^{+}$ charge of $X$ is $x$ then by charge balance -

$x + 3 (1 +) = 0 x = 3 -$

Therefore, the ion of $x ‐ ‐ ‐ X^{3 -}$

Three electron accepted to achieve octect so the group is $5 A (15)$ .

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Identify the group number in the periodic table of $X$ , a representative element, in each of the following ionic compounds: $(6.2)$
a. $X_{2} O_{3}$
b. $X_{2} S O_{3}$
c. $N a_{3} X$

Short Answer

Step by step solution

Part (a) step 1: Given Information

Part (a) step 2: Simplify

Part (b) step 1: Given Information

Part (b) step 2: Simplify

Part (c) step 1: Given Information

Part (c) step 2: Simplify

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Identify the group number in the periodic table of X, a representative element, in each of the following ionic compounds:(6.2)a.X2O3b.X2SO3c.Na3X

Short Answer

Step by step solution

Part (a) step 1: Given Information

Part (a) step 2: Simplify

Part (b) step 1: Given Information

Part (b) step 2: Simplify

Part (c) step 1: Given Information

Part (c) step 2: Simplify

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

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Study anywhere. Anytime. Across all devices.

Identify the group number in the periodic table of $X$ , a representative element, in each of the following ionic compounds: $(6.2)$
a. $X_{2} O_{3}$
b. $X_{2} S O_{3}$
c. $N a_{3} X$