The chemical formula for the ternary compound composed of Cr 3+ and OH − ions is to be identified. Concept Introduction: According to the IUPAC rule, inorganic compounds are classified into several categories. Five common categories are binary ionic, ternary ionic, binary molecular, binary acid and ternary oxyacid. Binary ionic compounds contain two elements, that is, a metal and a nonmetal. Ternary ionic compound contains at least one metal and rest of the nonmetal. Binary molecular compound contains two elements that are both nonmetals. A binary acid is an acid that contains hydrogen and one other nonmetal. A ternary oxyacid contains hydrogen, one nonmetal and one oxygen atom.

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Chapter 6, Problem 4ST

Interpretation Introduction

Interpretation:

The chemical formula for the ternary compound composed of Cr3+ and OH− ions is to be identified.

Concept Introduction:

According to the IUPAC rule, inorganic compounds are classified into several categories. Five common categories are binary ionic, ternary ionic, binary molecular, binary acid and ternary oxyacid. Binary ionic compounds contain two elements, that is, a metal and a nonmetal. Ternary ionic compound contains at least one metal and rest of the nonmetal. Binary molecular compound contains two elements that are both nonmetals. A binary acid is an acid that contains hydrogen and one other nonmetal. A ternary oxyacid contains hydrogen, one nonmetal and one oxygen atom.

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