   Chapter 20, Problem 43E

Chapter
Section
Textbook Problem

# Write balanced equations for the reactions described in Table 19-13 for the production of Bi and Sb.

Interpretation Introduction

Interpretation: The balanced equations to describe the production of Bi and Sb are to be stated using Table 19-13 .

Concept introduction: Antimony (Sb) and bismuth (Bi) are group 5A elements. These elements easily lose electrons to form cations.

Heating a substance in presence of air at high temperature is known as roasting.

To determine: The balanced equations to describe the production of Bi and Sb using Table 19-13 .

Explanation

Explanation

Production of Antimony (Sb) ,

Refer to Table 19-13 .

Roasting of (Sb2S3) in air (O2) yields (Sb2O3) and then reduction of (Sb2O3) with carbon (C) yields elemental antimony. The balanced equation for the roasting of (Sb2S3) in air is,

2Sb2S3(s)+9O2(g)2Sb2O3(s)+6SO2(g)

The balanced equation for the reduction of (Sb2O3) with carbon is,

2Sb2O3(s)+3C(s)4Sb(s)+3CO2(g)

The balanced equations to describe the production of Bi is,

2Bi2S3(s)+9O2(g)2Bi2O3(s)+6

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