(i) Element A is from the fourth long period (Rb-Xe). Element A has two principal oxidation states. Its lowest oxidation state chloride behaves as both a Lewis acid and a Lewis base, while its highest oxidation state chloride is a colourless liquid which reacts rapidly with water. (ii) Element B is from the second long period (Na-Ar). Its hydride is a solid, which reacts violently with water. Aqueous solutions of its chloride have a pH less than 7.0.

(i) Element A is from the fourth long period (Rb-Xe). Element A has two principal oxidation states. Its lowest oxidation state chloride behaves as both a Lewis acid and a Lewis base, while its highest oxidation state chloride is a colourless liquid which reacts rapidly with water. (ii) Element B is from the second long period (Na-Ar). Its hydride is a solid, which reacts violently with water. Aqueous solutions of its chloride have a pH less than 7.0.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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