Part A - Reactions of an Alkali Metal Consider the following three statements ab
ID: 871217 • Letter: P
Question
Part A - Reactions of an Alkali Metal
Consider the following three statements about the reactivity of an alkali metal M with oxygen gas:
Based on their positions in the periodic table, the expected product is the ionic oxide M2O.
Some of the alkali metals produce metal peroxides or metal superoxides when the react with oxygen.
When dissolved in water, an alkali metal oxide produces a basic solution.
Which of the statements I, II, and III is or are true?
Consider the following three statements about the reactivity of an alkali metal with oxygen gas:
Based on their positions in the periodic table, the expected product is the ionic oxide .
Some of the alkali metals produce metal peroxides or metal superoxides when the react with oxygen.
When dissolved in water, an alkali metal oxide produces a basic solution.
Which of the statements I, II, and III is or are true?
Only one of the statements is true Statements I and II are true Statements I and III are true Statements II and III are true All three statements are trueExplanation / Answer
All three statements are true.
Based on their positions in the periodic table, the expected product is the ionic oxide .
Some of the alkali metals produce metal peroxides or metal superoxides when the react with oxygen.
When dissolved in water, an alkali metal oxide produces a basic solution.
All are correct regarding the alkali elements (metals).