(a) One of the alkali metals reacts with oxygen to form a solidwhite substance. When this substance is dissolved in water,the solution gives a positive test for hydrogen peroxide, H2O2.When the solution is tested in a burner flame, a lilac-purpleflame is produced. What is the likely identity of the metal?(b) Write a balanced chemical equation for the reaction ofthe white substance with water.

The periodic table is the representation of the elements in the increasing order of their atomic…

Answered: (a) One of the alkali metals reacts…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter19: The Chemistry Of The Main-group Elements

Section: Chapter Questions

Problem 29QRT

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(a) One of the alkali metals reacts with oxygen to form a solid
white substance. When this substance is dissolved in water,
the solution gives a positive test for hydrogen peroxide, H₂O₂.
When the solution is tested in a burner flame, a lilac-purple
flame is produced. What is the likely identity of the metal?
(b) Write a balanced chemical equation for the reaction of
the white substance with water.

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