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Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

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BuyFindarrow_forward

Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097
Textbook Problem

Novelty devices for predicting rain contain cobalt(II) chloride and are based on the following equilibrium:

CoCl 2 ( s ) Purple + 6 H 2 O ( g ) CoCl 2 6 H 2 O ( s ) Pink

What color will such an indicator be if rain is imminent?

Interpretation Introduction

Interpretation: The color of reactant and product of a reaction that helps in prediction of rain is given. The color of indicator is to be identified if the rain is imminent.

Concept introduction: The state when the reactants involved in a chemical reaction and the products formed in the reaction exist in concentrations having no further tendency to change is known as an equilibrium state of the reaction.

To identify: The color of indicator if the rain is imminent.

Explanation

Explanation

The stated reaction is,

CoCl2(s)Purple+6H2O(g)CoCl26H2O(s)Pink

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